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* feat(ci): docker linting adds hadolint to validate dockerfile best practices configures project-specific rules in .hadolint.yaml * fix(ci): enable hadolint console output adds verbose and tty format to see linting results in CI logs * test: trigger hadolint warning remove --no-install-recommends to test CI output * fix(ci): fail hadolint on warnings stricter linting to catch all best practice violations * fix: add --no-install-recommends to apt-get reduces image size by avoiding unnecessary packages * refactor: use WORKDIR instead of cd in dockerfile replaces cd commands with WORKDIR for cleaner dockerfile removes unnecessary hadolint ignore rules DL3003 and DL3009 * chore: simplify hadolint config removes unnecessary override rules for cleaner config
99 lines
3.7 KiB
Docker
99 lines
3.7 KiB
Docker
# syntax=docker/dockerfile:1
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# Enables BuildKit with cache mounts for faster builds
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FROM --platform=${BUILDPLATFORM:-linux/amd64} golang:1.25 AS builder
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ARG TARGETOS TARGETARCH
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ENV SRC_DIR=/kubo
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# Cache go module downloads between builds for faster rebuilds
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COPY go.mod go.sum $SRC_DIR/
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WORKDIR $SRC_DIR
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RUN --mount=type=cache,target=/go/pkg/mod \
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go mod download
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COPY . $SRC_DIR
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# Preload an in-tree but disabled-by-default plugin by adding it to the IPFS_PLUGINS variable
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# e.g. docker build --build-arg IPFS_PLUGINS="foo bar baz"
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ARG IPFS_PLUGINS
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# Allow for other targets to be built, e.g.: docker build --build-arg MAKE_TARGET="nofuse"
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ARG MAKE_TARGET=build
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# Build ipfs binary with cached go modules and build cache.
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# mkdir .git/objects allows git rev-parse to read commit hash for version info
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RUN --mount=type=cache,target=/go/pkg/mod \
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--mount=type=cache,target=/root/.cache/go-build \
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mkdir -p .git/objects \
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&& GOOS=$TARGETOS GOARCH=$TARGETARCH GOFLAGS=-buildvcs=false make ${MAKE_TARGET} IPFS_PLUGINS=$IPFS_PLUGINS
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# Extract required runtime tools from Debian.
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# We use Debian instead of Alpine because we need glibc compatibility
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# for the busybox base image we're using.
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FROM debian:bookworm-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 --no-install-recommends \
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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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# fusermount enables IPFS mount commands
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fuse \
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ca-certificates \
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; \
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apt-get clean; \
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rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*
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# Final minimal image with shell for debugging (busybox provides sh)
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FROM busybox:stable-glibc
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# Copy ipfs binary, startup scripts, and runtime dependencies
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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 --chmod=755 $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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# Set SUID for fusermount to enable FUSE mounting by non-root user
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RUN chmod 4755 /usr/local/bin/fusermount
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# Swarm P2P port (TCP/UDP) - expose publicly for peer connections
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EXPOSE 4001 4001/udp
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# API port - keep private, only for trusted clients
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EXPOSE 5001
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# Gateway port - can be exposed publicly via reverse proxy
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EXPOSE 8080
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# Swarm WebSockets - expose publicly for browser-based peers
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EXPOSE 8081
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# Create ipfs user (uid 1000) and required directories with proper ownership
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ENV IPFS_PATH=/data/ipfs
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RUN mkdir -p $IPFS_PATH /ipfs /ipns /mfs /container-init.d \
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&& adduser -D -h $IPFS_PATH -u 1000 -G users ipfs \
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&& chown ipfs:users $IPFS_PATH /ipfs /ipns /mfs /container-init.d
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# Volume for IPFS repository data persistence
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VOLUME $IPFS_PATH
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# The default logging level
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ENV GOLOG_LOG_LEVEL=""
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# Entrypoint initializes IPFS repo if needed and configures networking.
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# tini ensures proper signal handling and zombie process cleanup
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ENTRYPOINT ["/sbin/tini", "--", "/usr/local/bin/start_ipfs"]
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# Health check verifies IPFS daemon is responsive.
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# Uses empty directory CID (QmUNLLsPACCz1vLxQVkXqqLX5R1X345qqfHbsf67hvA3Nn) as test
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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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# Default: run IPFS daemon with auto-migration enabled
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CMD ["daemon", "--migrate=true", "--agent-version-suffix=docker"]
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