2192 lines
48 KiB
HTML
2192 lines
48 KiB
HTML
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<!doctype html>
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<html lang="en" class="no-js">
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<head>
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<link rel="canonical" href="https://linkedin.github.io/school-of-sre/level102/continuous_integration_and_continuous_delivery/continuous_integration_build_pipeline/">
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<meta name="generator" content="mkdocs-1.2.3, mkdocs-material-6.2.8">
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<title>Continuous Integration - School Of SRE</title>
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<body dir="ltr" data-md-color-scheme="" data-md-color-primary="none" data-md-color-accent="none">
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<input class="md-toggle" data-md-toggle="search" type="checkbox" id="__search" autocomplete="off">
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<script async defer data-domain="linkedin.github.io" src="https://tracking.eskratch.com/js/plausible.js"></script>
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<header class="md-header" data-md-component="header">
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<nav class="md-header-nav md-grid" aria-label="Header">
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<a href="https://linkedin.github.io/school-of-sre/" title="School Of SRE" class="md-header-nav__button md-logo" aria-label="School Of SRE">
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<img src="../../../img/sos.png" alt="logo">
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</a>
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<!-- Button to open drawer -->
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<label class="md-header-nav__button md-icon" for="__drawer">
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<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M3 6h18v2H3V6m0 5h18v2H3v-2m0 5h18v2H3v-2z"/></svg>
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<span class="md-header-nav__topic md-ellipsis">
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<a href="https://linkedin.github.io/school-of-sre/" title="School Of SRE" >
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School Of SRE
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</a>
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</span>
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<span class="md-header-nav__topic md-ellipsis">
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Continuous Integration
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<label class="md-header-nav__button md-icon" for="__search">
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<div class="md-search" data-md-component="search" role="dialog">
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<label class="md-search__overlay" for="__search"></label>
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<div class="md-search__inner" role="search">
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<form class="md-search__form" name="search">
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<input type="text" class="md-search__input" name="query" aria-label="Search" placeholder="Search" autocapitalize="off" autocorrect="off" autocomplete="off" spellcheck="false" data-md-component="search-query" data-md-state="active" required>
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</form>
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<div class="md-search-result" data-md-component="search-result">
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<div class="md-search-result__meta">
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Initializing search
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<ol class="md-search-result__list"></ol>
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</header>
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<main class="md-main" data-md-component="main">
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<div class="md-main__inner md-grid">
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<nav class="md-nav md-nav--primary" aria-label="Navigation" data-md-level="0">
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Home
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Level 101
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<nav class="md-nav" aria-label="Level 101" data-md-level="1">
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Level 101
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<label class="md-nav__link" for="nav-2-1">
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Fundamentals Series
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Fundamentals Series
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<label class="md-nav__link" for="nav-2-1-1">
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Linux Basics
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<nav class="md-nav" aria-label="Linux Basics" data-md-level="3">
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Linux Basics
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<ul class="md-nav__list" data-md-scrollfix>
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<li class="md-nav__item">
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<a href="../../../level101/linux_basics/intro/" class="md-nav__link">
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Introduction
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</a>
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<li class="md-nav__item">
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<a href="../../../level101/linux_basics/command_line_basics/" class="md-nav__link">
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Command Line Basics
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</a>
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<li class="md-nav__item">
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<a href="../../../level101/linux_basics/linux_server_administration/" class="md-nav__link">
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Server Administration
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</a>
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<a href="../../../level101/linux_basics/conclusion/" class="md-nav__link">
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Conclusion
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</ul>
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</nav>
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Git
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<nav class="md-nav" aria-label="Git" data-md-level="3">
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Git
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<ul class="md-nav__list" data-md-scrollfix>
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<li class="md-nav__item">
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<a href="../../../level101/git/git-basics/" class="md-nav__link">
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Git Basics
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</a>
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</li>
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<li class="md-nav__item">
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<a href="../../../level101/git/branches/" class="md-nav__link">
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Working With Branches
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</a>
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</li>
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<li class="md-nav__item">
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<a href="../../../level101/git/github-hooks/" class="md-nav__link">
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Github and Hooks
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</a>
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</li>
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<li class="md-nav__item">
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<a href="../../../level101/git/conclusion/" class="md-nav__link">
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Conclusion
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</a>
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</ul>
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</nav>
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Linux Networking
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<nav class="md-nav" aria-label="Linux Networking" data-md-level="3">
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<span class="md-nav__icon md-icon"></span>
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Linux Networking
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<ul class="md-nav__list" data-md-scrollfix>
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<li class="md-nav__item">
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<a href="../../../level101/linux_networking/intro/" class="md-nav__link">
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Introduction
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</a>
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<li class="md-nav__item">
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<a href="../../../level101/linux_networking/dns/" class="md-nav__link">
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DNS
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</a>
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</li>
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<li class="md-nav__item">
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<a href="../../../level101/linux_networking/udp/" class="md-nav__link">
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UDP
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</a>
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</li>
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<li class="md-nav__item">
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<a href="../../../level101/linux_networking/http/" class="md-nav__link">
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HTTP
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</a>
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<li class="md-nav__item">
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<a href="../../../level101/linux_networking/tcp/" class="md-nav__link">
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TCP
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</a>
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<li class="md-nav__item">
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<a href="../../../level101/linux_networking/ipr/" class="md-nav__link">
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Routing
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</a>
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<li class="md-nav__item">
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<a href="../../../level101/linux_networking/conclusion/" class="md-nav__link">
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Conclusion
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</a>
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</ul>
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</nav>
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</ul>
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</nav>
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<li class="md-nav__item md-nav__item--nested">
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Python and Web
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<span class="md-nav__icon md-icon"></span>
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<nav class="md-nav" aria-label="Python and Web" data-md-level="2">
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<label class="md-nav__title" for="nav-2-2">
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<span class="md-nav__icon md-icon"></span>
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Python and Web
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</label>
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<ul class="md-nav__list" data-md-scrollfix>
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<li class="md-nav__item">
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<a href="../../../level101/python_web/intro/" class="md-nav__link">
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Introduction
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</a>
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<li class="md-nav__item">
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<a href="../../../level101/python_web/python-concepts/" class="md-nav__link">
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Some Python Concepts
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</a>
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</li>
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<li class="md-nav__item">
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<a href="../../../level101/python_web/python-web-flask/" class="md-nav__link">
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Python, Web and Flask
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</a>
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</li>
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<li class="md-nav__item">
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<a href="../../../level101/python_web/url-shorten-app/" class="md-nav__link">
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The URL Shortening App
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</a>
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</li>
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<li class="md-nav__item">
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<a href="../../../level101/python_web/sre-conclusion/" class="md-nav__link">
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Conclusion
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</a>
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</ul>
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</nav>
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Data
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Relational Databases
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<a href="../../../level101/databases_sql/intro/" class="md-nav__link">
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Introduction
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<a href="../../../level101/databases_sql/concepts/" class="md-nav__link">
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Key Concepts
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<li class="md-nav__item">
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<a href="../../../level101/databases_sql/mysql/" class="md-nav__link">
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MySQL
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</a>
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<li class="md-nav__item">
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<a href="../../../level101/databases_sql/innodb/" class="md-nav__link">
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InnoDB
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<li class="md-nav__item">
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<a href="../../../level101/databases_sql/backup_recovery/" class="md-nav__link">
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Backup and Recovery
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<a href="../../../level101/databases_sql/replication/" class="md-nav__link">
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MySQL Replication
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<a href="../../../level101/databases_sql/operations/" class="md-nav__link">
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Operational Concepts
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<a href="../../../level101/databases_sql/select_query/" class="md-nav__link">
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Select Query
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<li class="md-nav__item">
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<a href="../../../level101/databases_sql/query_performance/" class="md-nav__link">
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Query Performance
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<li class="md-nav__item">
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<a href="../../../level101/databases_sql/lab/" class="md-nav__link">
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Lab
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</a>
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<a href="../../../level101/databases_sql/conclusion/" class="md-nav__link">
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Conclusion
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</a>
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</ul>
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</nav>
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NoSQL
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NoSQL
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<a href="../../../level101/databases_nosql/intro/" class="md-nav__link">
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Introduction
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</a>
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<li class="md-nav__item">
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<a href="../../../level101/databases_nosql/key_concepts/" class="md-nav__link">
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Key Concepts
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<li class="md-nav__item">
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<a href="../../../level101/databases_nosql/further_reading/" class="md-nav__link">
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Conclusion
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</a>
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</li>
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</ul>
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</nav>
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<li class="md-nav__item md-nav__item--nested">
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Message Queue
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<nav class="md-nav" aria-label="Message Queue" data-md-level="3">
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Message Queue
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<a href="../../../level101/messagequeue/intro/" class="md-nav__link">
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Introduction
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</a>
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<li class="md-nav__item">
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<a href="../../../level101/messagequeue/key_concepts/" class="md-nav__link">
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Key Concepts
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</a>
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<li class="md-nav__item">
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<a href="../../../level101/messagequeue/further_reading/" class="md-nav__link">
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Conclusion
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</a>
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</ul>
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</nav>
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Big Data
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<nav class="md-nav" aria-label="Big Data" data-md-level="3">
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Big Data
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<a href="../../../level101/big_data/intro/" class="md-nav__link">
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Introduction
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</a>
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<li class="md-nav__item">
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<a href="../../../level101/big_data/evolution/" class="md-nav__link">
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Evolution and Architecture of Hadoop
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</a>
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<li class="md-nav__item">
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<a href="../../../level101/big_data/tasks/" class="md-nav__link">
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Conclusion
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</a>
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</ul>
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</nav>
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Systems Design
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<span class="md-nav__icon md-icon"></span>
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<nav class="md-nav" aria-label="Systems Design" data-md-level="2">
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Systems Design
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</label>
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<a href="../../../level101/systems_design/intro/" class="md-nav__link">
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Introduction
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</a>
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<li class="md-nav__item">
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<a href="../../../level101/systems_design/scalability/" class="md-nav__link">
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Scalability
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</a>
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<li class="md-nav__item">
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<a href="../../../level101/systems_design/availability/" class="md-nav__link">
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Availability
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</a>
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<li class="md-nav__item">
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<a href="../../../level101/systems_design/fault-tolerance/" class="md-nav__link">
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Fault Tolerance
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</a>
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<li class="md-nav__item">
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<a href="../../../level101/systems_design/conclusion/" class="md-nav__link">
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Conclusion
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</a>
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</li>
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</ul>
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</nav>
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<li class="md-nav__item md-nav__item--nested">
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Metrics and Monitoring
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<span class="md-nav__icon md-icon"></span>
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Metrics and Monitoring
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</label>
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<ul class="md-nav__list" data-md-scrollfix>
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<a href="../../../level101/metrics_and_monitoring/introduction/" class="md-nav__link">
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Introduction
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</a>
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</li>
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<li class="md-nav__item">
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<a href="../../../level101/metrics_and_monitoring/command-line_tools/" class="md-nav__link">
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Command-line Tools
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</a>
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</li>
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<li class="md-nav__item">
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<a href="../../../level101/metrics_and_monitoring/third-party_monitoring/" class="md-nav__link">
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Third-party Monitoring
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</a>
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</li>
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<li class="md-nav__item">
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<a href="../../../level101/metrics_and_monitoring/alerts/" class="md-nav__link">
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Proactive Monitoring with Alerts
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</a>
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</li>
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<li class="md-nav__item">
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<a href="../../../level101/metrics_and_monitoring/best_practices/" class="md-nav__link">
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Best Practices for Monitoring
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</a>
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</li>
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<li class="md-nav__item">
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<a href="../../../level101/metrics_and_monitoring/observability/" class="md-nav__link">
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Observability
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</a>
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<li class="md-nav__item">
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<a href="../../../level101/metrics_and_monitoring/conclusion/" class="md-nav__link">
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Conclusion
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</a>
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</li>
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</ul>
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</nav>
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<li class="md-nav__item md-nav__item--nested">
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<input class="md-nav__toggle md-toggle" data-md-toggle="nav-2-6" type="checkbox" id="nav-2-6" >
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<label class="md-nav__link" for="nav-2-6">
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Security
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<span class="md-nav__icon md-icon"></span>
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</label>
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<nav class="md-nav" aria-label="Security" data-md-level="2">
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<span class="md-nav__icon md-icon"></span>
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Security
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</label>
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<ul class="md-nav__list" data-md-scrollfix>
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<li class="md-nav__item">
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<a href="../../../level101/security/intro/" class="md-nav__link">
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Introduction
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</a>
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</li>
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<li class="md-nav__item">
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<a href="../../../level101/security/fundamentals/" class="md-nav__link">
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Fundamentals of Security
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</a>
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<li class="md-nav__item">
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<a href="../../../level101/security/network_security/" class="md-nav__link">
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Network Security
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</a>
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</li>
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<li class="md-nav__item">
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<a href="../../../level101/security/threats_attacks_defences/" class="md-nav__link">
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Threat, Attacks & Defences
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</a>
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</li>
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<li class="md-nav__item">
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<a href="../../../level101/security/writing_secure_code/" class="md-nav__link">
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Writing Secure code
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</a>
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</li>
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<li class="md-nav__item">
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<a href="../../../level101/security/conclusion/" class="md-nav__link">
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Conclusion
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</a>
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</li>
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</ul>
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</nav>
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</ul>
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</nav>
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<li class="md-nav__item md-nav__item--active md-nav__item--nested">
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<input class="md-nav__toggle md-toggle" data-md-toggle="nav-3" type="checkbox" id="nav-3" checked>
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<label class="md-nav__link" for="nav-3">
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Level 102
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<nav class="md-nav" aria-label="Level 102" data-md-level="1">
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Level 102
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</label>
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<label class="md-nav__link" for="nav-3-1">
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Linux Intermediate
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Introduction
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<h1>Continuous Integration</h1>
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<p>CI is a software development practice where members of a team integrate their work frequently. Each integration is verified by an automated build (including test) to detect integration errors as quickly as possible.</p>
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<p>Continuous integration requires that all the code changes be maintained in a single code repository where all the members can push the changes to their feature branches regularly. The code changes must be quickly integrated with the rest of the code and automated builds should happen and feedback to the member to resolve them early.</p>
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<p>There should be a CI server where it can trigger a build as soon as the code is pushed by a member. The build typically involves compiling the code and transforming it to an executable file such as JARs or DLLs etc. called packaging. It must also perform <a href="https://en.wikipedia.org/wiki/Unit_testing">unit tests</a> with code coverage. Optionally, the build process can have additional stages such as static code analysis and vulnerability checks etc.</p>
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<p><a href="https://www.jenkins.io/">Jenkins</a>, <a href="https://confluence.atlassian.com/bamboo/understanding-the-bamboo-ci-server-289277285.html">Bamboo</a>, <a href="https://travis-ci.org/">Travis CI</a>, <a href="https://about.gitlab.com/">GitLab</a>, <a href="https://azure.microsoft.com/en-in/services/devops/">Azure DevOps</a> etc. are the few popular CI tools. These tools provide various plugins and integration such as <a href="https://ant.apache.org/">ant</a>, <a href="https://maven.apache.org/">maven</a> etc. for building and packaging, and Junit, selenium etc. are for performing the unit tests. <a href="https://www.sonarqube.org/">SonarQube</a> can be used for static code analysis and code security.</p>
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<p><img alt="" src="../images/CI_Image1.JPG" /></p>
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<p><em>Fig 1: Continuous Integration Pipeline</em></p>
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