FROM golang:1.21-alpine AS builder

WORKDIR /app

RUN apk add --no-cache gcc musl-dev

COPY go.mod go.sum ./
RUN go mod download

COPY . .

RUN CGO_ENABLED=0 GOOS=linux go build -a -installsuffix cgo -o server ./cmd/server

FROM alpine:3.19

RUN apk --no-cache add ca-certificates

WORKDIR /app

COPY --from=builder /app/server .

EXPOSE 3100

CMD ["./server"]