FROM docker.io/golang:1.20.3 as builder

# Create and change to the app directory.
WORKDIR /app
COPY go.* ./
RUN go mod download

COPY . ./

RUN CGO_ENABLED=0 GOOS=linux go build -mod=readonly -v -o server

FROM docker.io/alpine:3
RUN apk add --no-cache ca-certificates

COPY --from=builder /app/server /server
ENV PORT=8080
ENV GIN_MODE=release
EXPOSE 8080

ENTRYPOINT ["/server"]