chore(build): add Docker configuration and update dependency versions

- Update Cargo.toml with shortened version specifications for dependencies
- Add .dockerignore file to exclude unnecessary files from Docker builds
- Create .env.example with comprehensive environment variable configurations
- Add docker-compose.yaml with complete multi-service infrastructure setup
- Add Dockerfile with optimized multi-stage build process using cargo-chef
- Add Dockerfile.fast for faster container builds during development
- Configure

.dockerignore

@@ -0,0 +1,8 @@
+.codegraph
+.claude
+target
+.git
+.idea
+*.md
+LICENSE
+.env