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paulschwoerer/Dockerfile.caddy-pki

Created March 12, 2020 23:53
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  1. paulschwoerer created this gist Mar 12, 2020.
    83 changes: 83 additions & 0 deletions Dockerfile.caddy-pki
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    FROM golang:1.14.0-alpine as builder

    WORKDIR /src

    RUN apk add --no-cache \
    git \
    ca-certificates

    ARG CADDY_SOURCE_VERSION=pki

    RUN git clone -b $CADDY_SOURCE_VERSION https://github.com/caddyserver/caddy.git --single-branch

    WORKDIR /src/caddy/cmd/caddy

    RUN CGO_ENABLED=0 GOOS=linux GOARCH=amd64 \
    go build -trimpath -tags netgo -ldflags '-extldflags "-static" -s -w' -o /usr/bin/caddy

    # Fetch the latest default welcome page and default Caddy config
    FROM alpine:3.11.3 AS fetch-assets

    RUN apk add --no-cache git

    ARG DIST_COMMIT=4d5728e7a4452d31030336c8e3ad9a006e58af18

    WORKDIR /src/dist
    RUN git clone https://github.com/caddyserver/dist .
    RUN git checkout $DIST_COMMIT

    RUN cp config/Caddyfile /Caddyfile
    RUN cp welcome/index.html /index.html

    FROM alpine:3.11.3 AS alpine

    COPY --from=builder /usr/bin/caddy /usr/bin/caddy
    COPY --from=builder /etc/ssl/certs/ca-certificates.crt /etc/ssl/certs

    COPY --from=fetch-assets /Caddyfile /etc/caddy/Caddyfile
    COPY --from=fetch-assets /index.html /usr/share/caddy/index.html

    ARG VCS_REF
    ARG VERSION
    LABEL org.opencontainers.image.revision=$VCS_REF
    LABEL org.opencontainers.image.version=$VERSION
    LABEL org.opencontainers.image.title=Caddy
    LABEL org.opencontainers.image.description="a powerful, enterprise-ready, open source web server with automatic HTTPS written in Go"
    LABEL org.opencontainers.image.url=https://caddyserver.com
    LABEL org.opencontainers.image.documentation=https://github.com/caddyserver/caddy/wiki/v2:-Documentation
    LABEL org.opencontainers.image.vendor="Light Code Labs"
    LABEL org.opencontainers.image.licenses=Apache-2.0
    LABEL org.opencontainers.image.source="https://github.com/caddyserver/caddy-docker"

    EXPOSE 80
    EXPOSE 443
    EXPOSE 2019

    CMD ["caddy", "run", "--config", "/etc/caddy/Caddyfile", "--adapter", "caddyfile"]

    FROM scratch AS scratch

    COPY --from=builder /etc/ssl/certs/ca-certificates.crt /etc/ssl/certs
    COPY --from=builder /usr/bin/caddy /usr/bin/caddy

    COPY --from=fetch-assets /Caddyfile /etc/caddy/Caddyfile
    COPY --from=fetch-assets /index.html /usr/share/caddy/index.html

    ARG VCS_REF
    ARG VERSION
    LABEL org.opencontainers.image.revision=$VCS_REF
    LABEL org.opencontainers.image.version=$VERSION
    LABEL org.opencontainers.image.title=Caddy
    LABEL org.opencontainers.image.description="a powerful, enterprise-ready, open source web server with automatic HTTPS written in Go"
    LABEL org.opencontainers.image.url=https://caddyserver.com
    LABEL org.opencontainers.image.documentation=https://github.com/caddyserver/caddy/wiki/v2:-Documentation
    LABEL org.opencontainers.image.vendor="Light Code Labs"
    LABEL org.opencontainers.image.licenses=Apache-2.0
    LABEL org.opencontainers.image.source="https://github.com/caddyserver/caddy-docker"

    EXPOSE 80
    EXPOSE 443
    EXPOSE 2019

    ENTRYPOINT ["caddy"]
    CMD ["run", "--config", "/etc/caddy/Caddyfile", "--adapter", "caddyfile"]