FROM golang:1.19
WORKDIR /usr/src/app

# pre-copy/cache go.mod for pre-downloading dependencies and only redownloading them in subsequent builds if they change
#COPY go.mod go.sum ./
COPY go.mod ./
RUN go mod download && go mod verify

COPY . .
RUN go build -v -o /usr/local/bin/app ./...

RUN useradd -u 1001 -m gouser
USER 1001

EXPOSE 8080

CMD ["app"]