FROM golang:1.21-alpine AS builder

WORKDIR /app

COPY go.mod go.sum ./

# Download all dependencies
RUN go mod download

COPY . .

# Generate go.sum
RUN go mod tidy

# Run tests
RUN go test ./tests/unit -v && \
    go test ./tests/integration -v

# Build the application
RUN CGO_ENABLED=0 GOOS=linux go build -a -installsuffix cgo -o main ./cmd

# Runtime stage
FROM alpine:latest

RUN apk --no-cache add ca-certificates

WORKDIR /root/

COPY --from=builder /app/main .

EXPOSE 3000

CMD ["./main"]