83 lines
1.7 KiB
Docker
Executable File
83 lines
1.7 KiB
Docker
Executable File
#
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# Build stage
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#
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FROM golang:1.12-alpine as build
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# args
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ARG version="1.0.0"
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# add plugin import paths here separated by commas
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ARG plugins=""
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ARG telemetry="true"
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# deps
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RUN apk add --no-cache git
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# build root
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RUN mkdir /build
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WORKDIR /build
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ENV GO111MODULE=on
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ENV CGO_ENABLED=0
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# plugins
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COPY go.mod plugger.go ./
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RUN go run plugger.go -plugins="${plugins}" -telemetry="${telemetry}"
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# build
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RUN go build
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RUN mv caddy /
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#
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# Compress Caddy with upx
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#
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FROM debian:stable as compress
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ARG upx_version="3.94"
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# dependencies
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RUN apt-get update && apt install -y --no-install-recommends \
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tar \
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xz-utils \
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curl \
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ca-certificates
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# get official upx binary
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RUN curl --silent --show-error --fail --location -o - \
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"https://github.com/upx/upx/releases/download/v${upx_version}/upx-${upx_version}-amd64_linux.tar.xz" \
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| tar --no-same-owner -C /usr/bin/ -xJ \
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--strip-components 1 upx-${upx_version}-amd64_linux/upx
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# copy and compress
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COPY --from=build /caddy /usr/bin/caddy
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RUN /usr/bin/upx --ultra-brute /usr/bin/caddy
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# test
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RUN /usr/bin/caddy -version
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#
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# Final image
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#
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FROM scratch
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# labels
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LABEL org.label-schema.vcs-url="https://github.com/productionwentdown/caddy"
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LABEL org.label-schema.version=${version}
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LABEL org.label-schema.schema-version="1.0"
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# copy binary and ca certs
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COPY --from=compress /usr/bin/caddy /bin/caddy
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COPY --from=compress /etc/ssl/certs/ca-certificates.crt /etc/ssl/certs/ca-certificates.crt
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# copy default caddyfile
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COPY Caddyfile /etc/Caddyfile
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# set default caddypath
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ENV CADDYPATH=/etc/.caddy
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VOLUME /etc/.caddy
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# serve from /srv
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WORKDIR /srv
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ENTRYPOINT ["/bin/caddy", "--conf", "/etc/Caddyfile", "--log", "stdout"]
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