{"id":5261,"date":"2026-05-13T07:55:59","date_gmt":"2026-05-12T23:55:59","guid":{"rendered":"https:\/\/www.diggoodbox.com\/blog\/?p=5261"},"modified":"2026-05-13T07:57:21","modified_gmt":"2026-05-12T23:57:21","slug":"gitlab-and-gitlab-ci-cd","status":"publish","type":"post","link":"https:\/\/www.diggoodbox.com\/blog\/?p=5261","title":{"rendered":"GitLab and GitLab CI\/CD"},"content":{"rendered":"\n<h3 class=\"wp-block-heading\"><strong>What is GitLab?<\/strong><strong><\/strong><\/h3>\n\n\n\n<p><a href=\"https:\/\/about.gitlab.com\"><u>GitLab Official Website<\/u><\/a><\/p>\n\n\n\n<p>GitLab is an integrated DevOps platform that combines:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Git repository hosting <\/strong><\/li>\n\n\n\n<li><strong>Source code management <\/strong><\/li>\n\n\n\n<li><strong>Continuous Integration \/ Continuous Deployment (CI\/CD) <\/strong><\/li>\n\n\n\n<li><strong>Issue tracking <\/strong><\/li>\n\n\n\n<li><strong>Code review <\/strong><\/li>\n\n\n\n<li><strong>Project management <\/strong><\/li>\n\n\n\n<li><strong>Package and container registry <\/strong><\/li>\n<\/ul>\n\n\n\n<p>Unlike traditional setups that require multiple tools such as Jenkins, Jira, and separate Git servers, GitLab provides an all-in-one solution.<\/p>\n\n\n\n<h1 class=\"wp-block-heading\"><strong>What is GitLab CI\/CD?<\/strong><strong><\/strong><\/h1>\n\n\n\n<p><a href=\"https:\/\/docs.gitlab.com\/ee\/ci\/\"><u>GitLab CI\/CD Documentation<\/u><\/a><\/p>\n\n\n\n<p>GitLab CI\/CD is the built-in automation system inside GitLab.<\/p>\n\n\n\n<p>It automatically performs tasks such as:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Building projects <\/strong><\/li>\n\n\n\n<li><strong>Running unit tests <\/strong><\/li>\n\n\n\n<li><strong>Running regression test<\/strong><\/li>\n\n\n\n<li><strong>Running benchmark tests <\/strong><\/li>\n\n\n\n<li><strong>Packaging software <\/strong><\/li>\n\n\n\n<li><strong>Deploying applications <\/strong><\/li>\n\n\n\n<li><strong>Generating reports <\/strong><\/li>\n<\/ul>\n\n\n\n<p>whenever developers push code or create merge requests.<\/p>\n\n\n\n<h1 class=\"wp-block-heading\"><strong>Core Concepts<\/strong><strong><\/strong><\/h1>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>1. Pipeline<\/strong><strong><\/strong><\/h2>\n\n\n\n<p>A pipeline is an automated workflow.<\/p>\n\n\n\n<p>Typical pipeline flow:<\/p>\n\n\n\n<p>Code Commit<br>&nbsp;&nbsp;&nbsp;&nbsp;\u2193<br>Build<br>&nbsp;&nbsp;&nbsp;&nbsp;\u2193<br>Test<br>&nbsp;&nbsp;&nbsp;&nbsp;\u2193<br>Benchmark<br>&nbsp;&nbsp;&nbsp;&nbsp;\u2193<br>Package<br>&nbsp;&nbsp;&nbsp;&nbsp;\u2193<br>Deploy<\/p>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>2. <\/strong>.gitlab-ci.yml<strong><\/strong><\/h2>\n\n\n\n<p>GitLab CI\/CD pipelines are defined using a YAML configuration file stored directly in the repository.<\/p>\n\n\n\n<p>Example:<\/p>\n\n\n\n<p>stages:<br>&nbsp;&nbsp;&#8211; build<br>&nbsp;&nbsp;&#8211; test<br><br>build_job:<br>&nbsp;&nbsp;stage: build<br>&nbsp;&nbsp;script:<br>&nbsp;&nbsp;&nbsp;&nbsp;&#8211; cmake .<br>&nbsp;&nbsp;&nbsp;&nbsp;&#8211; make<br><br>test_job:<br>&nbsp;&nbsp;stage: test<br>&nbsp;&nbsp;script:<br>&nbsp;&nbsp;&nbsp;&nbsp;&#8211; ctest<\/p>\n\n\n\n<p>This approach makes CI\/CD pipelines version-controlled and reproducible.<\/p>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>3. GitLab Runner<\/strong><strong><\/strong><\/h2>\n\n\n\n<p>A Runner is the machine or environment that executes CI\/CD jobs.<\/p>\n\n\n\n<p>GitLab Runners can run on:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Linux <\/strong><\/li>\n\n\n\n<li><strong>Windows <\/strong><\/li>\n\n\n\n<li><strong>macOS <\/strong><\/li>\n\n\n\n<li><strong>Docker containers <\/strong><\/li>\n\n\n\n<li><strong>Kubernetes clusters <\/strong><\/li>\n<\/ul>\n\n\n\n<p>This enables scalable and distributed automation.<\/p>\n\n\n\n<p><\/p>\n\n\n\n<h1 class=\"wp-block-heading\"><strong>Main Advantages of GitLab CI\/CD<\/strong><strong><\/strong><\/h1>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>1. All-in-One Platform<\/strong><strong><\/strong><\/h2>\n\n\n\n<p>GitLab integrates:<\/p>\n\n\n\n<figure class=\"wp-block-table is-style-stripes\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Feature<\/strong><strong><\/strong><\/td><td><strong>Included<\/strong><strong><\/strong><\/td><\/tr><tr><td><strong>Git Repository<\/strong><strong><\/strong><\/td><td><strong>Yes<\/strong><strong><\/strong><\/td><\/tr><tr><td><strong>CI\/CD<\/strong><strong><\/strong><\/td><td><strong>Yes<\/strong><strong><\/strong><\/td><\/tr><tr><td><strong>Issue Tracking<\/strong><strong><\/strong><\/td><td><strong>Yes<\/strong><strong><\/strong><\/td><\/tr><tr><td><strong>Merge Requests<\/strong><strong><\/strong><\/td><td><strong>Yes<\/strong><strong><\/strong><\/td><\/tr><tr><td><strong>Wiki<\/strong><strong><\/strong><\/td><td><strong>Yes<\/strong><strong><\/strong><\/td><\/tr><tr><td><strong>Artifact Storage<\/strong><strong><\/strong><\/td><td><strong>Yes<\/strong><strong><\/strong><\/td><\/tr><tr><td><strong>Container Registry<\/strong><strong><\/strong><\/td><td><strong>Yes<\/strong><strong><\/strong><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>This reduces the need for multiple external systems.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>2. Better Integration with Development Workflow<\/strong><strong><\/strong><\/h2>\n\n\n\n<p>GitLab CI\/CD is tightly integrated with Merge Requests.<\/p>\n\n\n\n<p>Example workflow:<\/p>\n\n\n\n<p>Developer creates Merge Request<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;\u2193<br>Pipeline automatically starts<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;\u2193<br>Build and tests run<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;\u2193<br>Benchmark executes<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;\u2193<br>Results displayed in Merge Request<\/p>\n\n\n\n<p>This improves code quality and team collaboration.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>3. Version-Controlled CI\/CD<\/strong><strong><\/strong><\/h2>\n\n\n\n<p>All pipeline configurations are stored in Git.<\/p>\n\n\n\n<p>Benefits:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Easy to track changes<\/li>\n\n\n\n<li>Easier collaboration<\/li>\n\n\n\n<li>Better reproducibility<\/li>\n\n\n\n<li>Simplified maintenance<\/li>\n<\/ul>\n\n\n\n<p>This is considered a major advantage over older CI systems like Jenkins.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>4. Strong Docker and Container Support<\/strong><strong><\/strong><\/h2>\n\n\n\n<p>GitLab CI\/CD has native Docker support.<\/p>\n\n\n\n<p>Example:<\/p>\n\n\n\n<p>image: ubuntu:24.04<br><br>build:<br>&nbsp;&nbsp;script:<br>&nbsp;&nbsp;&nbsp;&nbsp;&#8211; apt update<br>&nbsp;&nbsp;&nbsp;&nbsp;&#8211; apt install -y cmake<\/p>\n\n\n\n<p>Each pipeline can run inside a clean and isolated container environment.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>5. Excellent for Automated Testing and Benchmarking<\/strong><strong><\/strong><\/h2>\n\n\n\n<p>GitLab CI\/CD is widely used for:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Unit testing<\/li>\n\n\n\n<li>Integration testing<\/li>\n\n\n\n<li>Regression testing<\/li>\n\n\n\n<li>Performance benchmarking<\/li>\n\n\n\n<li>Nightly builds<\/li>\n<\/ul>\n\n\n\n<p>Especially in:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>C++ projects<\/li>\n\n\n\n<li>Game engines<\/li>\n\n\n\n<li>CAD software<\/li>\n\n\n\n<li>AI infrastructure<\/li>\n\n\n\n<li>Multi-platform systems<\/li>\n<\/ul>\n\n\n\n<p><\/p>\n\n\n\n<h1 class=\"wp-block-heading\"><strong>Typical Workflow<\/strong><strong><\/strong><\/h1>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Step 1 \u2014 Developer Pushes Code<\/strong><strong><\/strong><\/h2>\n\n\n\n<p>git push<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Step 2 \u2014 Pipeline Starts Automatically<\/strong><strong><\/strong><\/h2>\n\n\n\n<p>GitLab detects changes and triggers the pipeline.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Step 3 \u2014 Runner Executes Jobs<\/strong><strong><\/strong><\/h2>\n\n\n\n<p>Example tasks:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Compile source code<\/li>\n\n\n\n<li>Run tests<\/li>\n\n\n\n<li>Execute benchmarks<\/li>\n\n\n\n<li>Generate artifacts<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Step 4 \u2014 Results Are Reported<\/strong><strong><\/strong><\/h2>\n\n\n\n<p>GitLab displays:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Build status<\/li>\n\n\n\n<li>Test reports<\/li>\n\n\n\n<li>Benchmark logs<\/li>\n\n\n\n<li>Artifacts<\/li>\n\n\n\n<li>Failure details<\/li>\n<\/ul>\n\n\n\n<p>directly in the web interface.<\/p>\n\n\n\n<p><\/p>\n\n\n\n<h1 class=\"wp-block-heading\"><strong>Artifacts<\/strong><strong><\/strong><\/h1>\n\n\n\n<p>GitLab CI\/CD can store generated files such as:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Executables<\/li>\n\n\n\n<li>Benchmark JSON reports<\/li>\n\n\n\n<li>Test logs<\/li>\n\n\n\n<li>Screenshots<\/li>\n\n\n\n<li>Build packages<\/li>\n<\/ul>\n\n\n\n<p>Example:<\/p>\n\n\n\n<p>artifacts:<br>&nbsp;&nbsp;paths:<br>&nbsp;&nbsp;&nbsp;&nbsp;&#8211; benchmark.json<\/p>\n\n\n\n<p>Artifacts can later be downloaded or used in later pipeline stages.<\/p>\n\n\n\n<p><\/p>\n\n\n\n<h1 class=\"wp-block-heading\"><strong>Comparison with Jenkins<\/strong><strong><\/strong><\/h1>\n\n\n\n<figure class=\"wp-block-table is-style-stripes\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Feature<\/strong><strong><\/strong><\/td><td><strong>GitLab CI\/CD<\/strong><strong><\/strong><\/td><td><strong>Jenkins<\/strong><strong><\/strong><\/td><\/tr><tr><td>Integrated with Git platform<\/td><td>Yes<\/td><td>No<\/td><\/tr><tr><td>Configuration<\/td><td>YAML<\/td><td>UI + Groovy<\/td><\/tr><tr><td>Plugin dependency<\/td><td>Low<\/td><td>High<\/td><\/tr><tr><td>Docker support<\/td><td>Native<\/td><td>Plugin-based<\/td><\/tr><tr><td>Pipeline versioning<\/td><td>Excellent<\/td><td>Limited<\/td><\/tr><tr><td>Maintenance complexity<\/td><td>Lower<\/td><td>Higher<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<h1 class=\"wp-block-heading\"><strong>Why Many Teams Prefer GitLab CI\/CD Today<\/strong><strong><\/strong><\/h1>\n\n\n\n<p>Modern development teams increasingly prefer GitLab CI\/CD because it:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>simplifies DevOps infrastructure,<\/li>\n\n\n\n<li>reduces maintenance burden,<\/li>\n\n\n\n<li>improves automation consistency,<\/li>\n\n\n\n<li>integrates naturally with Git workflows,<\/li>\n\n\n\n<li>scales well for modern software projects.<\/li>\n<\/ul>\n\n\n\n<p>It is especially popular among engineering-focused teams working on:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>C++<\/li>\n\n\n\n<li>graphics engines<\/li>\n\n\n\n<li>CAD systems<\/li>\n\n\n\n<li>cloud-native applications<\/li>\n\n\n\n<li>AI platforms<\/li>\n\n\n\n<li>large-scale automated testing systems<\/li>\n<\/ul>\n\n\n\n<p><\/p>\n\n\n\n<h1 class=\"wp-block-heading\"><strong>Example Modern Development Stack<\/strong><strong><\/strong><\/h1>\n\n\n\n<p>A common modern setup is:<\/p>\n\n\n\n<p>GitLab CE<br>&nbsp;&nbsp;&nbsp;&nbsp;+<br>GitLab Runner<br>&nbsp;&nbsp;&nbsp;&nbsp;+<br>Docker<br>&nbsp;&nbsp;&nbsp;&nbsp;+<br>CTest \/ Google Benchmark<br>&nbsp;&nbsp;&nbsp;&nbsp;+<br>Grafana<br>&nbsp;&nbsp;&nbsp;&nbsp;+<br>InfluxDB<\/p>\n\n\n\n<p>This architecture supports:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>automated builds,<\/li>\n\n\n\n<li>nightly benchmark testing,<\/li>\n\n\n\n<li>regression detection,<\/li>\n\n\n\n<li>performance monitoring,<\/li>\n\n\n\n<li>multi-platform CI\/CD workflows.<\/li>\n<\/ul>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>What is GitLab? 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