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Dockerfile
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ARG PG_VERSION=13.3
ARG VERSION=dev
FROM golang:1.16 as flyutil
ARG VERSION
WORKDIR /go/src/github.com/fly-examples/postgres-ha
COPY . .
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/flycheck ./cmd/flycheck
RUN CGO_ENABLED=0 GOOS=linux go build -v -o /fly/bin/start ./cmd/start
FROM flyio/stolon:cab0fc5 as stolon
FROM wrouesnel/postgres_exporter:latest AS postgres_exporter
FROM postgres:${PG_VERSION}
ARG VERSION
LABEL fly.app_role=postgres_cluster
LABEL image_version=${VERSION}
RUN apt-get update && apt-get install --no-install-recommends -y \
ca-certificates curl bash dnsutils vim-tiny procps jq \
&& apt autoremove -y
COPY --from=stolon /go/src/app/bin/* /usr/local/bin/
COPY --from=postgres_exporter /postgres_exporter /usr/local/bin/
# ADD /bin/* /usr/local/bin/
ADD /scripts/* /fly/
ADD /config/* /fly/
RUN useradd -ms /bin/bash stolon
COPY --from=flyutil /fly/bin/* /usr/local/bin/
EXPOSE 5432
CMD ["start"]