Dockerfile

FROM golang:1.22

ENV ETCD_VERSION=v3.5.16
ARG FLY_VERSION=custom

ENV DOWNLOAD_URL=https://github.com/etcd-io/etcd/releases/download

WORKDIR /go/src/github.com/fly-apps/fly-etcd

COPY . .

RUN CGO_ENABLED=0 GOOS=linux go build -v -o /fly/bin/start ./cmd/start
RUN CGO_ENABLED=0 GOOS=linux go build -v -o /fly/bin/start-api ./cmd/api
RUN CGO_ENABLED=0 GOOS=linux go build -v -o /fly/bin/flyadmin ./cmd/flyadmin
RUN CGO_ENABLED=0 GOOS=linux go build -v -o /fly/bin/etcd-backup ./cmd/etcd-backup

RUN curl -L ${DOWNLOAD_URL}/${ETCD_VERSION}/etcd-${ETCD_VERSION}-linux-amd64.tar.gz -o /tmp/etcd-${ETCD_VERSION}-linux-amd64.tar.gz \
 && tar xzvf /tmp/etcd-${ETCD_VERSION}-linux-amd64.tar.gz -C /usr/local/bin --strip-components=1

FROM debian:buster-slim

ARG FLY_VERSION
ARG ETCD_VERSION

LABEL fly.app_role=etcd_cluster
LABEL fly.version=${FLY_VERSION}
LABEL fly.etcd-version=${ETCD_VERSION}

RUN apt-get update && apt-get install -y curl bash vim && \
   rm -rf /var/lib/apt/lists/*

COPY --from=0 /usr/local/bin/etcd* /usr/local/bin
COPY --from=0 /fly/bin/* /usr/local/bin/

EXPOSE 2379

CMD ["start"]