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https://github.com/ipfs/kubo.git
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8ac25bbbef
Because Kubo is the part changing more often it's better to copy after so docker can reuse the utilities layers.
107 lines
3.8 KiB
Docker
107 lines
3.8 KiB
Docker
FROM --platform=${BUILDPLATFORM:-linux/amd64} golang:1.20 AS builder
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ARG TARGETOS TARGETARCH
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ENV SRC_DIR /kubo
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# Download packages first so they can be cached.
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COPY go.mod go.sum $SRC_DIR/
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RUN cd $SRC_DIR \
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&& go mod download
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COPY . $SRC_DIR
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# Preload an in-tree but disabled-by-default plugin by adding it to the IPFS_PLUGINS variable
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# e.g. docker build --build-arg IPFS_PLUGINS="foo bar baz"
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ARG IPFS_PLUGINS
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# Build the thing.
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# Also: fix getting HEAD commit hash via git rev-parse.
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RUN cd $SRC_DIR \
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&& mkdir -p .git/objects \
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&& GOOS=$TARGETOS GOARCH=$TARGETARCH GOFLAGS=-buildvcs=false make build IPFS_PLUGINS=$IPFS_PLUGINS
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# Using Debian Buster because the version of busybox we're using is based on it
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# and we want to make sure the libraries we're using are compatible. That's also
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# why we're running this for the target platform.
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FROM debian:stable-slim AS utilities
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RUN set -eux; \
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apt-get update; \
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apt-get install -y \
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tini \
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# Using gosu (~2MB) instead of su-exec (~20KB) because it's easier to
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# install on Debian. Useful links:
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# - https://github.com/ncopa/su-exec#why-reinvent-gosu
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# - https://github.com/tianon/gosu/issues/52#issuecomment-441946745
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gosu \
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# This installs fusermount which we later copy over to the target image.
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fuse \
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ca-certificates \
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; \
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rm -rf /var/lib/apt/lists/*
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# Now comes the actual target image, which aims to be as small as possible.
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FROM busybox:stable-glibc
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# Get the ipfs binary, entrypoint script, and TLS CAs from the build container.
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ENV SRC_DIR /kubo
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COPY --from=utilities /usr/sbin/gosu /sbin/gosu
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COPY --from=utilities /usr/bin/tini /sbin/tini
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COPY --from=utilities /bin/fusermount /usr/local/bin/fusermount
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COPY --from=utilities /etc/ssl/certs /etc/ssl/certs
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COPY --from=builder $SRC_DIR/cmd/ipfs/ipfs /usr/local/bin/ipfs
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COPY --from=builder $SRC_DIR/bin/container_daemon /usr/local/bin/start_ipfs
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COPY --from=builder $SRC_DIR/bin/container_init_run /usr/local/bin/container_init_run
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# Add suid bit on fusermount so it will run properly
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RUN chmod 4755 /usr/local/bin/fusermount
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# Fix permissions on start_ipfs (ignore the build machine's permissions)
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RUN chmod 0755 /usr/local/bin/start_ipfs
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# Swarm TCP; should be exposed to the public
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EXPOSE 4001
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# Swarm UDP; should be exposed to the public
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EXPOSE 4001/udp
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# Daemon API; must not be exposed publicly but to client services under you control
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EXPOSE 5001
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# Web Gateway; can be exposed publicly with a proxy, e.g. as https://ipfs.example.org
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EXPOSE 8080
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# Swarm Websockets; must be exposed publicly when the node is listening using the websocket transport (/ipX/.../tcp/8081/ws).
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EXPOSE 8081
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# Create the fs-repo directory and switch to a non-privileged user.
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ENV IPFS_PATH /data/ipfs
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RUN mkdir -p $IPFS_PATH \
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&& adduser -D -h $IPFS_PATH -u 1000 -G users ipfs \
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&& chown ipfs:users $IPFS_PATH
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# Create mount points for `ipfs mount` command
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RUN mkdir /ipfs /ipns \
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&& chown ipfs:users /ipfs /ipns
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# Create the init scripts directory
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RUN mkdir /container-init.d \
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&& chown ipfs:users /container-init.d
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# Expose the fs-repo as a volume.
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# start_ipfs initializes an fs-repo if none is mounted.
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# Important this happens after the USER directive so permissions are correct.
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VOLUME $IPFS_PATH
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# The default logging level
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ENV IPFS_LOGGING ""
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# This just makes sure that:
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# 1. There's an fs-repo, and initializes one if there isn't.
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# 2. The API and Gateway are accessible from outside the container.
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ENTRYPOINT ["/sbin/tini", "--", "/usr/local/bin/start_ipfs"]
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# Healthcheck for the container
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# QmUNLLsPACCz1vLxQVkXqqLX5R1X345qqfHbsf67hvA3Nn is the CID of empty folder
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HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
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CMD ipfs --api=/ip4/127.0.0.1/tcp/5001 dag stat /ipfs/QmUNLLsPACCz1vLxQVkXqqLX5R1X345qqfHbsf67hvA3Nn || exit 1
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# Execute the daemon subcommand by default
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CMD ["daemon", "--migrate=true", "--agent-version-suffix=docker"]
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