Added health check and deployment setup for one container per customer. Fixes #12

Co-Authored-By: Claude Opus 5.5 <[email protected]>

Dockerfile

@@ -56,5 +56,9 @@ VOLUME /app/config
 RUN mkdir -p /app/data
 VOLUME /app/data
 
+# Healthy when the server answers and can reach its database
+HEALTHCHECK --interval=30s --timeout=5s --start-period=30s --start-interval=2s --retries=3 \
+  CMD ["/app/rezervator", "-c", "/app/config/config.toml", "--healthcheck"]
+
 # Run the server
 CMD ["/app/rezervator", "-c", "/app/config/config.toml"]