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- **Source**: The source code resides in `Project A GitRepo` repository` hosted on GitHub/GitLab, this i where the developer push change request for updating software functionality, the "main branch is portected" force the creation of merge request, that will be merged when all check will be verified with static error checking and dynamic error checking give by the unit tests.
- **Compile**: The code is compiled in this stage.
- **Test**: Automated tests are run to ensure code quality and functionality.
- **Build Docker Image**: A Docker image is created from the compiled code.
- **Promote Pre**: The image is then tagged for the pre-production stage.
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