-

user/Dockerfile

@@ -0,0 +1,48 @@
+# Multi-stage build for minimal image
+FROM docker.io/library/golang:1.23-alpine AS builder
+
+# Install build dependencies
+RUN apk add --no-cache git ca-certificates wget
+
+# Create non-root user for building
+RUN addgroup -S appgroup && adduser -S appuser -G appgroup
+
+# Set working directory
+WORKDIR /app
+
+# Copy go.mod first for better caching
+COPY go.mod go.sum ./
+RUN go mod download
+
+# Copy source code
+COPY . .
+
+# Build static binary
+RUN CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build \
+    -ldflags='-w -s -extldflags "-static"' \
+    -a -installsuffix cgo \
+    -o user-service \
+    ./cmd/server
+
+# Final stage: minimal runtime image
+FROM docker.io/library/alpine:3.18
+
+# Install runtime dependencies
+RUN apk --no-cache add ca-certificates wget tzdata
+
+# Create non-root user for running the app
+RUN addgroup -S appgroup && adduser -S appuser -G appgroup
+
+WORKDIR /app
+
+# Copy binary from builder
+COPY --from=builder /app/user-service .
+
+# Use non-root user
+USER appuser
+
+# Expose port
+EXPOSE 8090
+
+# Run the app
+CMD ["./user-service"]