FROM docker.io/golang:latest 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"]