# Build stage
FROM golang:1.23-alpine AS builder

WORKDIR /build

# Copy go.mod and go.sum from cmd/server
COPY cmd/server/go.mod cmd/server/go.sum ./
RUN go mod download

# Copy source code
COPY cmd/server/main.go ./

# Build
RUN CGO_ENABLED=0 GOOS=linux go build -a -installsuffix cgo -o server .

# Runtime image
FROM alpine:latest

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

WORKDIR /root/

# Copy binary from builder
COPY --from=builder /build/server .

EXPOSE 8080

CMD ["./server"]