Dockerfile

FROM golang:1.21.6-alpine3.19 as builder

ARG COMMIT
ARG VERSION

WORKDIR /go/src/lfgw/
COPY go.mod go.sum ./
RUN go mod download
COPY . .

ENV CGO_ENABLED=0 \
    GOOS=linux

RUN go install \
    -installsuffix "static" \
    -ldflags "                                          \
      -X main.commit=${COMMIT}                        \
      -X main.version=${VERSION}                        \
      -X main.goVersion=$(go version | cut -d " " -f 3) \
    " \
    ./...

FROM alpine:3.19.1 as runtime

RUN set -x \
  && apk add --update --no-cache ca-certificates tzdata \
  && echo 'Etc/UTC' > /etc/timezone \
  && update-ca-certificates

ENV TZ=/etc/localtime                  \
    LANG=en_US.utf8                    \
    LC_ALL=en_US.UTF-8

COPY --from=builder /go/bin/lfgw /
RUN chmod +x /lfgw

RUN adduser -S appuser -u 1000 -G root
USER 1000

ENTRYPOINT ["/lfgw"]