{"id":6689,"date":"2021-03-17T04:57:01","date_gmt":"2021-03-17T04:57:01","guid":{"rendered":"https:\/\/9series-blog.staging9.com\/?p=6689"},"modified":"2026-03-12T08:32:35","modified_gmt":"2026-03-12T08:32:35","slug":"dockerize-automate-build-deployment-process-flutter","status":"publish","type":"post","link":"https:\/\/www.9series.com\/blog\/dockerize-automate-build-deployment-process-flutter\/","title":{"rendered":"How to\u00a0Dockerize\u00a0and Automate Flutter App Deployment"},"content":{"rendered":"

\"How<\/a><\/p>\n

This is the fifth article in our \u201cHow To\u201d DevOps series, where we break down practical deployment strategies for modern application development.<\/span>\u00a0<\/span><\/p>\n

In\u00a0previous\u00a0articles, we covered\u00a0Dockerization\u00a0for Android, Python with Django, .NET MVC, and PHP. In this guide, we focus on Flutter and explain how to\u00a0Dockerize, automate builds, and streamline deployment workflows using Docker and development containers.<\/span>\u00a0<\/span><\/p>\n

If you are building scalable Flutter applications and want consistent environments across teams, Docker can significantly simplify your development lifecycle.<\/span>\u00a0<\/span><\/p>\n

\u00a0<\/span><\/p>\n

Why\u00a0Dockerize\u00a0a Flutter Application?<\/span><\/b>\u00a0<\/span><\/h2>\n

Docker allows developers to package applications along with their dependencies into isolated containers. This ensures consistent builds across development, staging, and production environments.<\/span>\u00a0<\/span><\/p>\n

For Flutter development, containerization helps:<\/span>\u00a0<\/span><\/p>\n

    \n
  • Maintain consistent SDK versions<\/span>\u00a0<\/span><\/li>\n<\/ul>\n
      \n
    • Avoid system dependency conflicts<\/span>\u00a0<\/span><\/li>\n<\/ul>\n
        \n
      • Simplify CI and CD automation<\/span>\u00a0<\/span><\/li>\n<\/ul>\n
          \n
        • Improve team collaboration<\/span>\u00a0<\/span><\/li>\n<\/ul>\n
            \n
          • Enable environment portability<\/span>\u00a0<\/span><\/li>\n<\/ul>\n

            Flutter is widely used for cross-platform mobile app development, making environment consistency even more important when working across macOS, Windows, and Linux systems.<\/span>\u00a0<\/span><\/p>\n

            \u00a0<\/span><\/p>\n

            Prerequisites<\/span><\/b>\u00a0<\/span><\/h2>\n

            Before starting, ensure you have:<\/span>\u00a0<\/span><\/p>\n

              \n
            • Docker installed<\/span>\u00a0<\/span><\/li>\n<\/ul>\n
                \n
              • Visual Studio Code installed<\/span>\u00a0<\/span><\/li>\n<\/ul>\n
                  \n
                • Remote Development extension in VS Code<\/span>\u00a0<\/span><\/li>\n<\/ul>\n
                    \n
                  • Basic knowledge of\u00a0Dockerfile\u00a0structure<\/span>\u00a0<\/span><\/li>\n<\/ul>\n

                    Verify Docker installation by running:<\/span>\u00a0<\/span><\/p>\n

                    docker –version<\/span>\u00a0<\/span><\/p>\n

                    You should see a valid Docker version installed on your system.<\/span>\u00a0<\/span><\/p>\n

                    \u00a0<\/span><\/p>\n

                    Step 1: Create Project Directory<\/span><\/b>\u00a0<\/span><\/p>\n

                      \n
                    1. Create a new folder, for example:<\/span>
                      \nflutter_project_docker<\/span>\u00a0<\/span><\/li>\n<\/ol>\n
                        \n
                      1. Open the folder in Visual Studio Code using:<\/span>\u00a0<\/span><\/li>\n<\/ol>\n

                        code\u00a0flutter_project_docker<\/span>\u00a0<\/span><\/p>\n

                        \u00a0<\/span><\/p>\n

                        Step 2: Create a\u00a0Dockerfile<\/span><\/b>\u00a0<\/span><\/p>\n

                        Inside your project folder, create a file named:<\/span>\u00a0<\/span><\/p>\n

                        Dockerfile<\/span>\u00a0<\/span><\/p>\n

                        A\u00a0Dockerfile\u00a0is a text file\u00a0containing\u00a0instructions to build a Docker image. It defines:<\/span>\u00a0<\/span><\/p>\n

                          \n
                        • Base image<\/span>\u00a0<\/span><\/li>\n<\/ul>\n
                            \n
                          • Required dependencies<\/span>\u00a0<\/span><\/li>\n<\/ul>\n
                              \n
                            • Flutter SDK installation<\/span>\u00a0<\/span><\/li>\n<\/ul>\n
                                \n
                              • User permissions<\/span>\u00a0<\/span><\/li>\n<\/ul>\n
                                  \n
                                • Environment configuration<\/span>\u00a0<\/span><\/li>\n<\/ul>\n

                                  This file\u00a0ensures\u00a0your Flutter app builds inside a standardized container environment.<\/span>\u00a0<\/span><\/p>\n

                                  \u00a0<\/span><\/p>\n

                                  Step 3: Configure Dev Container<\/span><\/b>\u00a0<\/span><\/p>\n

                                  To enable a fully containerized development workflow:<\/span>\u00a0<\/span><\/p>\n

                                    \n
                                  1. Create a folder named:<\/span>\u00a0<\/span><\/li>\n<\/ol>\n

                                    .devcontainer<\/span>\u00a0<\/span><\/p>\n

                                      \n
                                    1. Inside it, create:<\/span>\u00a0<\/span><\/li>\n<\/ol>\n

                                      devcontainer.json<\/span>\u00a0<\/span><\/p>\n

                                        \n
                                      1. Link the\u00a0Dockerfile\u00a0inside the configuration.<\/span>\u00a0<\/span><\/li>\n<\/ol>\n

                                        Important note for macOS and Windows users:<\/span>
                                        \nAvoid incorrectly defining folder paths inside\u00a0devcontainer.json, as this may cause container build failures.<\/span>\u00a0<\/span><\/p>\n

                                        \u00a0<\/span><\/p>\n

                                        Step 4: Create Workspace Folder<\/span><\/b>\u00a0<\/span><\/p>\n

                                        Create a separate workspace folder where your Flutter projects will\u00a0reside. This directory will be mounted inside the container and used for:<\/span>\u00a0<\/span><\/p>\n

                                          \n
                                        • Creating Flutter projects<\/span>\u00a0<\/span><\/li>\n<\/ul>\n
                                            \n
                                          • Writing application code<\/span>\u00a0<\/span><\/li>\n<\/ul>\n
                                              \n
                                            • Managing dependencies<\/span>\u00a0<\/span><\/li>\n<\/ul>\n

                                              This keeps your container clean and organized.<\/span>\u00a0<\/span><\/p>\n

                                              \u00a0<\/span><\/p>\n

                                              Step 5: Build and\u00a0Run\u00a0the Docker Container<\/span><\/b>\u00a0<\/span><\/p>\n

                                                \n
                                              1. Open\u00a0VS\u00a0Code.<\/span>\u00a0<\/span><\/li>\n<\/ol>\n
                                                  \n
                                                1. Click the Remote Development icon on the left panel.<\/span>\u00a0<\/span><\/li>\n<\/ol>\n
                                                    \n
                                                  1. Select:<\/span>
                                                    \nRemote Containers: Open Folder in Container<\/span>\u00a0<\/span><\/li>\n<\/ol>\n
                                                      \n
                                                    1. Choose the root directory and build the container.<\/span>\u00a0<\/span><\/li>\n<\/ol>\n

                                                      Docker will now build your Flutter development environment.<\/span>\u00a0<\/span><\/p>\n

                                                      \u00a0<\/span><\/p>\n

                                                      Step 6: Verify Flutter Installation<\/span><\/b>\u00a0<\/span><\/p>\n

                                                      Once inside the container, run:<\/span>\u00a0<\/span><\/p>\n

                                                      flutter doctor<\/span>\u00a0<\/span><\/p>\n

                                                      This verifies the setup.<\/span>\u00a0<\/span><\/p>\n

                                                      You may notice:<\/span>\u00a0<\/span><\/p>\n

                                                        \n
                                                      • Warning related to Android Studio<\/span>\u00a0<\/span><\/li>\n<\/ul>\n
                                                          \n
                                                        • No connected device detected<\/span>\u00a0<\/span><\/li>\n<\/ul>\n

                                                          These warnings are normal if Android Studio plugins are not\u00a0installed\u00a0or no device is connected.<\/span>\u00a0<\/span><\/p>\n

                                                          \u00a0<\/span><\/p>\n

                                                          Step 7: Connect Android Device<\/span><\/b>\u00a0<\/span><\/p>\n

                                                          To run your Flutter app:<\/span>\u00a0<\/span><\/p>\n

                                                            \n
                                                          1. Connect your Android device via USB<\/span>\u00a0<\/span><\/li>\n<\/ol>\n
                                                              \n
                                                            1. Set connection mode to PTP<\/span>\u00a0<\/span><\/li>\n<\/ol>\n
                                                                \n
                                                              1. Run:<\/span>\u00a0<\/span><\/li>\n<\/ol>\n

                                                                flutter devices<\/span>\u00a0<\/span><\/p>\n

                                                                  \n
                                                                1. Then run your project using:<\/span>\u00a0<\/span><\/li>\n<\/ol>\n

                                                                  flutter\u00a0run<\/span>\u00a0<\/span><\/p>\n

                                                                  Or create a new project:<\/span>\u00a0<\/span><\/p>\n

                                                                  flutter create\u00a0project_name<\/span>\u00a0<\/span><\/p>\n

                                                                  Now you can develop and deploy your Flutter app entirely inside a Docker container.<\/span>\u00a0<\/span><\/p>\n

                                                                  \u00a0<\/span><\/p>\n

                                                                  Automating Build and Deployment<\/span><\/b>\u00a0<\/span><\/h2>\n

                                                                  Once\u00a0Dockerization\u00a0is complete, you can integrate the setup with CI CD tools such as:<\/span>\u00a0<\/span><\/p>\n

                                                                    \n
                                                                  • GitHub Actions<\/span>\u00a0<\/span><\/li>\n<\/ul>\n
                                                                      \n
                                                                    • GitLab CI<\/span>\u00a0<\/span><\/li>\n<\/ul>\n
                                                                        \n
                                                                      • Jenkins<\/span>\u00a0<\/span><\/li>\n<\/ul>\n

                                                                        This enables automated:<\/span>\u00a0<\/span><\/p>\n

                                                                          \n
                                                                        • Image builds<\/span>\u00a0<\/span><\/li>\n<\/ul>\n
                                                                            \n
                                                                          • Test execution<\/span>\u00a0<\/span><\/li>\n<\/ul>\n
                                                                              \n
                                                                            • Deployment pipelines<\/span>\u00a0<\/span><\/li>\n<\/ul>\n

                                                                              Docker ensures that your build environment\u00a0remains\u00a0consistent across all stages.<\/span>\u00a0<\/span><\/p>\n

                                                                              \u00a0<\/span><\/p>\n

                                                                              Benefits of\u00a0Dockerizing\u00a0Flutter Projects<\/span><\/b>\u00a0<\/span><\/h2>\n
                                                                                \n
                                                                              • Eliminates \u201cworks on my machine\u201d issues<\/span>\u00a0<\/span><\/li>\n<\/ul>\n
                                                                                  \n
                                                                                • Simplifies onboarding for new developers<\/span>\u00a0<\/span><\/li>\n<\/ul>\n
                                                                                    \n
                                                                                  • Enables reproducible builds<\/span>\u00a0<\/span><\/li>\n<\/ul>\n
                                                                                      \n
                                                                                    • Supports scalable DevOps practices<\/span>\u00a0<\/span><\/li>\n<\/ul>\n
                                                                                        \n
                                                                                      • Reduces environment configuration time<\/span>\u00a0<\/span><\/li>\n<\/ul>\n

                                                                                        \u00a0<\/span><\/p>\n

                                                                                        What\u2019s Next?<\/span><\/b>\u00a0<\/span><\/h2>\n

                                                                                        Dockerization\u00a0is just the beginning.\u00a0In our upcoming article, we will explore how Docker and Kubernetes can help reduce infrastructure costs and improve scalability in production environments.<\/span>\u00a0<\/span><\/p>\n

                                                                                        At 9series, we specialize in DevOps automation, containerization, and scalable mobile app development solutions. If you are planning to streamline your Flutter development workflow with Docker, our experts can help you implement a production-ready architecture.<\/span>\u00a0<\/span><\/p>\n

                                                                                        Stay tuned for the next article in our DevOps series.<\/span>\u00a0<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"

                                                                                        This is the fifth article in our \u201cHow To\u201d DevOps series, where we break down practical deployment strategies for modern application development.\u00a0 In\u00a0previous\u00a0articles, we covered\u00a0Dockerization\u00a0for Android, Python with Django, .NET…<\/p>\n","protected":false},"author":1,"featured_media":6690,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"dsgo_overlay_header":false,"dsgo_overlay_header_text_color":"","dsgo_overlay_skip_top_bar":false,"_designsetgo_exclude_llms":false,"footnotes":""},"categories":[7,1467],"tags":[2581,2582,2583,2584,2585],"class_list":["post-6689","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-devops","category-docker","tag-devops-solution-providers","tag-docker-application","tag-docker-deployment-consultation","tag-dockerize","tag-flutter-mobile-app-development"],"_links":{"self":[{"href":"https:\/\/www.9series.com\/blog\/wp-json\/wp\/v2\/posts\/6689","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.9series.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.9series.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.9series.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.9series.com\/blog\/wp-json\/wp\/v2\/comments?post=6689"}],"version-history":[{"count":2,"href":"https:\/\/www.9series.com\/blog\/wp-json\/wp\/v2\/posts\/6689\/revisions"}],"predecessor-version":[{"id":6922,"href":"https:\/\/www.9series.com\/blog\/wp-json\/wp\/v2\/posts\/6689\/revisions\/6922"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.9series.com\/blog\/wp-json\/wp\/v2\/media\/6690"}],"wp:attachment":[{"href":"https:\/\/www.9series.com\/blog\/wp-json\/wp\/v2\/media?parent=6689"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.9series.com\/blog\/wp-json\/wp\/v2\/categories?post=6689"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.9series.com\/blog\/wp-json\/wp\/v2\/tags?post=6689"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}