Dockerfile

# syntax=docker/dockerfile:1.2

FROM --platform=$BUILDPLATFORM crazymax/goreleaser-xx:latest AS goreleaser-xx
FROM --platform=$BUILDPLATFORM golang:alpine AS base
COPY --from=goreleaser-xx / /
RUN apk add --no-cache git
WORKDIR /src

FROM base AS build
ARG TARGETPLATFORM
ARG GIT_REF
RUN --mount=type=bind,source=.,target=/src,rw \
  goreleaser-xx --debug \
    --name="discord-bot" \
    --dist="/out" \
    --hooks="go mod tidy" \
    --hooks="go mod download" \
    --ldflags="-s -w -X 'main.version={{.Version}}'" \
    --files="LICENSE" \
    --files="README.md"

FROM scratch AS artifact
COPY --from=build /out/*.tar.gz /
COPY --from=build /out/*.zip /

FROM alpine:3.20 AS image
RUN apk --update --no-cache add ca-certificates libressl shadow \
  && addgroup -g 1000 discord-bot \
  && adduser -u 1000 -G discord-bot -s /sbin/nologin -D discord-bot \
  && mkdir -p /var/log/discord-bot \
  && chown discord-bot. /var/log/discord-bot
COPY --from=build /usr/local/bin/discord-bot /usr/local/bin/discord-bot
USER discord-bot
ENTRYPOINT [ "discord-bot" ]