feat(containers): add docker server image for opencode code server

[andreclaudino]

Issue for this PR

Closes #19474

Type of change

• Bug fix
• New feature
• Refactor / code improvement
• Documentation

What does this PR do?

This PR adds official Docker images for running OpenCode as a headless server, enabling:

• Integration with VS Code, JetBrains IDEs, and other editors via the OpenCode server protocol
• Isolated execution in containers without affecting the host system
• CI/CD pipeline integration
• Multi-user development environments
• Dev Containers integration via the included devcontainer CLI

Changes made

1. Dockerfiles: Added Debian Trixie and Alpine Linux variants for the server image
2. CI/CD: GitHub Actions workflow for automated GHCR builds
3. Build script: Local build script for development
4. Documentation: Full documentation in 22 languages
5. README updates: Added Docker Server section to all README files

How did you verify your code works?

• Dockerfiles follow the existing project container patterns
• Build configuration is compatible with the project's CI/CD infrastructure
• Documentation follows the project's existing style

Checklist

• I have tested my changes locally
• I have not included unrelated changes in this PR

[github-actions]

Thanks for updating your PR! It now meets our contributing guidelines. 👍

[colinandres885-boop]

Run the server

docker run -p 3000:3000 -v /path/to/workspace:/workspace ###

ghcr.io/anomalyco/opencode:dev-debian

With SSH keys for git

docker run -p 3000:3000 -v ~/.ssh:/home/opencode/.ssh ghcr.io/anomalyco/opencode:dev-debian

Using docker-compose

services:
opencode:
image: ghcr.io/anomalyco/opencode:dev-debian
ports:
- "3000:3000"
volumes:
- ./workspace:/workspace
- ~/.ssh:/home/opencode/.ssh
- ~/.gitconfig:/home/opencode/.gitconfig[](url)