Revision 444bb02abbb92a325bcc710418ce43016b4c31cb authored by Steven Allen on 11 June 2020, 01:19:33 UTC, committed by Steven Allen on 11 June 2020, 01:19:33 UTC
1 parent 302dea3
Dockerfile
FROM golang:1.14.2-buster
LABEL maintainer="Steven Allen <steven@stebalien.com>"
# Install deps
RUN apt-get update && apt-get install -y \
libssl-dev \
ca-certificates \
fuse
ENV SRC_DIR /go-ipfs
# Download packages first so they can be cached.
COPY go.mod go.sum $SRC_DIR/
RUN cd $SRC_DIR \
&& go mod download
COPY . $SRC_DIR
# Preload an in-tree but disabled-by-default plugin by adding it to the IPFS_PLUGINS variable
# e.g. docker build --build-arg IPFS_PLUGINS="foo bar baz"
ARG IPFS_PLUGINS
# Build the thing.
# Also: fix getting HEAD commit hash via git rev-parse.
RUN cd $SRC_DIR \
&& mkdir .git/objects \
&& make build GOTAGS=openssl IPFS_PLUGINS=$IPFS_PLUGINS
# Get su-exec, a very minimal tool for dropping privileges,
# and tini, a very minimal init daemon for containers
ENV SUEXEC_VERSION v0.2
ENV TINI_VERSION v0.19.0
RUN set -eux; \
dpkgArch="$(dpkg --print-architecture)"; \
case "${dpkgArch##*-}" in \
"amd64" | "armhf" | "arm64") tiniArch="tini-$dpkgArch" ;;\
*) echo >&2 "unsupported architecture: ${dpkgArch}"; exit 1 ;; \
esac; \
cd /tmp \
&& git clone https://github.com/ncopa/su-exec.git \
&& cd su-exec \
&& git checkout -q $SUEXEC_VERSION \
&& make \
&& cd /tmp \
&& wget -q -O tini https://github.com/krallin/tini/releases/download/$TINI_VERSION/$tiniArch \
&& chmod +x tini
# Now comes the actual target image, which aims to be as small as possible.
FROM busybox:1.31.1-glibc
LABEL maintainer="Steven Allen <steven@stebalien.com>"
# Get the ipfs binary, entrypoint script, and TLS CAs from the build container.
ENV SRC_DIR /go-ipfs
COPY --from=0 $SRC_DIR/cmd/ipfs/ipfs /usr/local/bin/ipfs
COPY --from=0 $SRC_DIR/bin/container_daemon /usr/local/bin/start_ipfs
COPY --from=0 /tmp/su-exec/su-exec /sbin/su-exec
COPY --from=0 /tmp/tini /sbin/tini
COPY --from=0 /bin/fusermount /usr/local/bin/fusermount
COPY --from=0 /etc/ssl/certs /etc/ssl/certs
# Add suid bit on fusermount so it will run properly
RUN chmod 4755 /usr/local/bin/fusermount
# Fix permissions on start_ipfs (ignore the build machine's permissions)
RUN chmod 0755 /usr/local/bin/start_ipfs
# This shared lib (part of glibc) doesn't seem to be included with busybox.
COPY --from=0 /lib/*-linux-gnu*/libdl.so.2 /lib/
# Copy over SSL libraries.
COPY --from=0 /usr/lib/*-linux-gnu*/libssl.so* /usr/lib/
COPY --from=0 /usr/lib/*-linux-gnu*/libcrypto.so* /usr/lib/
# Swarm TCP; should be exposed to the public
EXPOSE 4001
# Swarm UDP; should be exposed to the public
EXPOSE 4001/udp
# Daemon API; must not be exposed publicly but to client services under you control
EXPOSE 5001
# Web Gateway; can be exposed publicly with a proxy, e.g. as https://ipfs.example.org
EXPOSE 8080
# Swarm Websockets; must be exposed publicly when the node is listening using the websocket transport (/ipX/.../tcp/8081/ws).
EXPOSE 8081
# Create the fs-repo directory and switch to a non-privileged user.
ENV IPFS_PATH /data/ipfs
RUN mkdir -p $IPFS_PATH \
&& adduser -D -h $IPFS_PATH -u 1000 -G users ipfs \
&& chown ipfs:users $IPFS_PATH
# Create mount points for `ipfs mount` command
RUN mkdir /ipfs /ipns \
&& chown ipfs:users /ipfs /ipns
# Expose the fs-repo as a volume.
# start_ipfs initializes an fs-repo if none is mounted.
# Important this happens after the USER directive so permissions are correct.
VOLUME $IPFS_PATH
# The default logging level
ENV IPFS_LOGGING ""
# This just makes sure that:
# 1. There's an fs-repo, and initializes one if there isn't.
# 2. The API and Gateway are accessible from outside the container.
ENTRYPOINT ["/sbin/tini", "--", "/usr/local/bin/start_ipfs"]
# Execute the daemon subcommand by default
CMD ["daemon", "--migrate=true"]
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