# Middleware Service Dockerfile
FROM golang:1.21-alpine AS builder

WORKDIR /build

# Copy go workspace
COPY go.work* ./
COPY go.mod* ./services/middleware/
COPY go.sum* ./services/middleware/ 2>/dev/null || true

# Copy shared packages
COPY pkg/ ./pkg/

# Copy service
COPY services/middleware/ ./services/middleware/

# Build
WORKDIR /build/services/middleware
RUN CGO_ENABLED=0 GOOS=linux go build -a -installsuffix cgo -o /app/middleware .

# Final image
FROM alpine:3.18

RUN apk --no-cache add ca-certificates curl

WORKDIR /app

COPY --from=builder /app/middleware .

# Health check
HEALTHCHECK --interval=30s --timeout=10s --start-period=5s --retries=3 \
  CMD curl -f http://localhost:8082/health || exit 1

EXPOSE 8082

CMD ["/app/middleware"]