52 lines
1.5 KiB
Docker
52 lines
1.5 KiB
Docker
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FROM golang:1.8-alpine
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WORKDIR /data
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RUN apk add --no-cache \
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ca-certificates &&\
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update-ca-certificates
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# Install build dependencies (permanently since we are going to keep the
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# ability to install additional plugins which will require a complete Caddy
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# rebuild)
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RUN apk add --no-cache --virtual build-deps \
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bash \
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gcc \
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git \
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xz
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# Preconfiguration
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RUN \
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git config --global http.followRedirects true &&\
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mkdir -vp "${GOPATH}"
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# Add the scripts
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COPY files/ /usr/local/
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# Fix permissions and line endings in case we use `docker build` from Windows
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# because remember, Docker client can run on Windows despite the host running
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# on Linux!
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RUN \
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chmod -v +x /usr/local/bin/* &&\
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sed -i 's,\r,,g' /usr/local/bin/*
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# Install Caddy itself
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ARG CADDY_VERSION=master
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RUN \
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echo "*** Fetching Caddy..." &&\
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git clone --recursive "https://github.com/mholt/caddy.git" \
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"$GOPATH/src/github.com/mholt/caddy" &&\
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(cd "$GOPATH/src/github.com/mholt/caddy" &&\
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git checkout "$CADDY_VERSION") &&\
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docker-caddy-build &&\
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docker-caddy-pack-source
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# I would have run "setcap cap_net_bind_service=+ep /usr/local/bin/caddy" as well but it will not work in Docker
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# thanks to inconsistencies with aufs and kernel settings on Ubuntu.
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#
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# My recommendation is to let Caddy bind to a non-root port instead and use the Docker userland proxy if possible,
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# so for example binding Caddy to port 2200 and telling Docker to forward port 80 to port 2200 in the container
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# should be just fine.
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ENTRYPOINT ["caddy"]
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CMD ["-agree","-conf=/data/Caddyfile"]
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