ci: implement 3-stage deployment pipeline with semantic-release

.dockerignore

@@ -1,21 +1,50 @@
+# Dependencies and build artifacts
 node_modules
 .nuxt
 .output
+dist
+.cache
+.parcel-cache
+
+# Git and version control
 .git
+.gitignore
+
+# Environment files
 .env
 .env.local
 .env.*.local
+
+# Logs
 npm-debug.log*
 yarn-debug.log*
 yarn-error.log*
+*.log
+
+# IDE and editor files
 .DS_Store
 .vscode
 .idea
-*.log
+
+# Testing and coverage
 coverage
 .nyc_output
-dist
+
+# Temporary files
 tmp
 temp
-.cache
-.parcel-cache
+
+# Semantic-release artifacts (copied explicitly in final stage)
+CHANGELOG.md
+
+# Development files
+bun.lock
+
+# CI/CD files that don't need to be in the container
+.github/
+.releaserc.json
+
+# Documentation that gets copied explicitly in final stage
+README.md
+LICENSE
+CLAUDE.md