fix: complete Dockerfile multi-stage build and fix Helm configmap mou…#370
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…nt paths for hotelReservation The hotelReservation Dockerfile was missing its final stage, causing all Go microservice containers to crash with "exec ./geo: no such file or directory". The builder stage compiled binaries into /go/bin/ via `go install`, but no second stage existed to copy them into a minimal runtime image. Additionally, the Helm chart values for all 8 Go services used a relative `mountPath: config.json` for the configmap volume mount. Kubernetes interprets this as /config.json (root), while the app runs from WORKDIR /app and reads /app/config.json — so the Helm-generated config (with correct FQDNs for consul, jaeger, mongodb, etc.) was never applied, and services fell back to the default baked-in config.json with short hostnames that don't resolve. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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Summary
The
hotelReservationapplication cannot be deployed on Kubernetes due to two bugs:FROMstage. The builder stage compiles Go binaries into/go/bin/viago install, but there is no runtime stage to copy them into a minimal image. This causes all Go microservice containers (geo, frontend, profile, rate, recommendation, reservation, search, user) to crash with: