# Development Dockerfile for Billing Documents Service with Air hot reload

FROM golang:alpine AS builder

# Install build dependencies
RUN apk add --no-cache bash git build-base protoc protobuf-dev && \
    go install google.golang.org/protobuf/cmd/protoc-gen-go@latest && \
    go install google.golang.org/grpc/cmd/protoc-gen-go-grpc@latest && \
    go install github.com/air-verse/air@latest

WORKDIR /src

# Copy proto and pkg first (changes less frequently)
COPY api/proto ./api/proto
COPY api/pkg ./api/pkg
COPY ci/scripts/proto/generate.sh ./ci/scripts/proto/

# Generate protos (cached if proto files unchanged)
RUN bash ci/scripts/proto/generate.sh

# Runtime stage for development with Air
FROM golang:alpine

RUN apk add --no-cache bash git build-base && \
    go install github.com/air-verse/air@latest

WORKDIR /src

# Copy generated proto and pkg from builder
COPY --from=builder /src/api/proto ./api/proto
COPY --from=builder /src/api/pkg ./api/pkg

# Source code will be mounted at runtime to /src/api/billing/documents
WORKDIR /src/api/billing/documents

EXPOSE 50061 9409

# Use Air for hot reload
CMD ["air", "-c", ".air.toml", "--", "-config.file", "/app/config.yml", "-debug"]