chore: update Docker configuration and CI/CD setup

- Removed Dockerfile and Dockerfile.test as part of the transition to a pre-built image.
- Updated .dockerignore and .gitignore to reflect new build context and ignored files.
- Modified docker-compose.yml to use the new image for the application.
- Enhanced documentation in AGENTS.md and README.md to include CI/CD details and release process.
- Added new dependencies for commit linting and semantic release in package.json and pnpm-lock.yaml.

This commit streamlines the Docker setup and improves the CI/CD workflow with Gitea Actions.

.dockerignore

@@ -1,15 +1,51 @@
+# Build context = repository root (deploy/docker/docker-bake.hcl).
 .git
+.gitea
+.github
 .cursor
-data
-**/target
+.claude
+.codegraph
+.agents
+.opencode
+memory-bank
+.vscode
+.idea
+
+**/.DS_Store
+**/Thumbs.db
+**/.env
+**/.env.*
+!**/.env.example
+!**/.env.*.example
+
+node_modules
 **/node_modules
-**/.turbo
 **/dist
-**/*.md
-**/.git*
-frontend
-*.db
-*.db-shm
-*.db-wal
-.env
-.env.*
+**/.turbo
+apps/web/src/routeTree.gen.ts
+apps/web/playwright-report
+apps/web/test-results
+
+*.md
+AGENTS.md
+CONTRIBUTING.md
+LICENSE
+docs
+
+.pre-commit-config.yaml
+.releaserc.json
+.commitlintrc.*
+commitlint.config.cjs
+package-lock.json
+
+data
+*.exe
+**/*.test.ts
+**/*.spec.ts
+coverage
+.coverage
+*.out
+.release-version
+CHANGELOG.md
+deploy/docker/docker-bake.override.hcl
+deploy/compose/runtime-logs