FROM golang:1.21-alpine AS builder

WORKDIR /app
COPY . .

# Initialize and download dependencies
RUN go mod tidy

# Build the Go app
RUN CGO_ENABLED=0 GOOS=linux go build -o backend main.go

FROM alpine:latest
WORKDIR /root/
COPY --from=builder /app/backend .
EXPOSE 8080
CMD ["./backend"]