In Salesforce development, particularly when working with version control systems (VCS) like Git, it's crucial to have effective branching strategies and repository management practices. These strategies help manage code changes, collaborate with team members, and maintain a stable codebase. Here's an overview of commonly used branching strategies and repository practices for Salesforce development:
Branching Strategies
Git Flow
Overview: A popular branching model that defines a strict workflow for managing branches and releases.
Branches:
main
(ormaster
): The production branch containing stable code.develop
: The integration branch for features and bug fixes that are ready for the next release.feature/
: Branches off fromdevelop
for new features. Merged back intodevelop
when complete.bugfix/
: Branches off fromdevelop
for bug fixes. Merged back intodevelop
when resolved.release/
: Branches off fromdevelop
for preparing a release. Contains final bug fixes and tweaks. Merged into bothmain
anddevelop
.hotfix/
: Branches off frommain
for urgent fixes in production. Merged back into bothmain
anddevelop
.
Use Case: Suitable for teams that need a structured workflow with clear stages for development, testing, and production.
GitHub Flow
Overview: A simplified workflow focusing on continuous delivery and rapid deployment.
Branches:
main
(ormaster
): The production branch with deployable code.- Feature branches: Created off
main
for each new feature or bug fix. Merged back intomain
via pull requests (PRs) once code is reviewed and approved.
Use Case: Ideal for teams that deploy code frequently and need a streamlined approach to manage changes.
GitLab Flow
Overview: Combines aspects of Git Flow and GitHub Flow, with additional focus on environment-specific branches.
Branches:
main
(ormaster
): The production branch.pre-production
: A staging branch for testing before production.- Feature branches: Used for developing new features or fixes.
environment
branches: Branches for different deployment environments (e.g.,staging
,qa
).
Use Case: Suitable for teams with multiple environments and a need for more complex workflows.
Trunk-Based Development
Overview: A development model where all developers work on a single branch (the trunk) and integrate changes frequently.
Branches:
trunk
: The primary branch where all changes are integrated. Feature flags can be used to enable or disable incomplete features.
Use Case: Best for teams practicing continuous integration and deployment with frequent releases.
Repository Management
Monorepo vs. Polyrepo
- Monorepo: A single repository containing multiple projects or components. Benefits include easier dependency management and consistent tooling.
- Example: A single repository that includes Salesforce code (Apex, LWC), integration scripts, and configuration files.
- Polyrepo: Multiple repositories, each containing a single project or component. Allows for more granular control and independent versioning.
- Example: Separate repositories for Salesforce code, third-party integrations, and front-end applications.
- Monorepo: A single repository containing multiple projects or components. Benefits include easier dependency management and consistent tooling.
Repository Structure
Folder Organization: Structure the repository with clear folders for different components. For Salesforce projects, you might have:
src/
: Source code (Apex classes, Lightning Web Components, etc.).scripts/
: Deployment and automation scripts.config/
: Configuration files and settings.docs/
: Documentation and guidelines.
Versioning: Use tags or branches to mark different versions or releases of your code.
Deployment Pipelines
- CI/CD Integration: Integrate with Continuous Integration (CI) and Continuous Deployment (CD) tools like GitHub Actions, GitLab CI/CD, or Jenkins. Automate testing, building, and deploying Salesforce code to different environments.
- Example: Use a CI/CD pipeline to deploy code from feature branches to a staging environment for testing, and then merge to
main
for production deployment.
- Example: Use a CI/CD pipeline to deploy code from feature branches to a staging environment for testing, and then merge to
- CI/CD Integration: Integrate with Continuous Integration (CI) and Continuous Deployment (CD) tools like GitHub Actions, GitLab CI/CD, or Jenkins. Automate testing, building, and deploying Salesforce code to different environments.
Code Reviews
- Pull Requests (PRs): Use pull requests to review code before merging changes into main branches. This ensures code quality and collaboration.
- Code Review Practices: Establish guidelines for code reviews, such as checking for code standards, security issues, and ensuring proper documentation.
Branch Naming Conventions
- Feature Branches:
feature/short-description
- Bug Fixes:
bugfix/short-description
- Hotfixes:
hotfix/short-description
- Releases:
release/vX.Y.Z
- Feature Branches:
Documentation
- ReadMe Files: Provide clear instructions on how to set up, build, and deploy the project.
- Contribution Guidelines: Outline how to contribute to the project, including branching strategies, code standards, and review processes.
Summary
Effective branching strategies and repository management practices are key to maintaining a clean and manageable codebase in Salesforce development. By choosing an appropriate branching model and structuring your repository well, you can enhance collaboration, streamline deployments, and ensure the quality of your Salesforce applications.