Dockerfile

# This Dockerfile builds Bitcoin Core and packages it into a minimal `final` image

# Define default versions so that they don't have to be repeated throughout the file
ARG VER_ALPINE=3.15

# $USER name, and data $DIR to be used in the `final` image
ARG USER=bitcoind
ARG DIR=/data

# Choose where to get bitcoind sources from, options: release, git
#   NOTE: Only `SOURCE=git` can be used for RC releases
ARG SOURCE=release

# Choose where to get BerkeleyDB from, options: prebuilt, compile
#   NOTE: When compiled here total execution time exceeds allowed CI limits, so pre-built one is used by default
ARG BDB_SOURCE=prebuilt

FROM alpine:${VER_ALPINE} AS preparer

RUN apk add --no-cache git

# Fetch the source code at a specific TAG
RUN git clone  -b "backport/22/perf/faster-getblock"  --depth=1  https://github.com/AaronDewes/bitcoin.git  "/bitcoin/"

FROM ghcr.io/runcitadel/berkeleydb:main AS berkeleydb

#
## `builder` builds Bitcoin Core regardless on how the source, and BDB code were obtained.
#
# NOTE: this stage is emulated using QEMU
# NOTE: `${ARCH:+${ARCH}/}` - if ARCH is set, append `/` to it, leave it empty otherwise
FROM ${ARCH:+${ARCH}/}alpine:${VER_ALPINE} AS builder

# Use APK repos over HTTPS. See: https://github.com/gliderlabs/docker-alpine/issues/184
RUN sed -i 's|http://dl-cdn.alpinelinux.org|https://alpine.global.ssl.fastly.net|g' /etc/apk/repositories

RUN apk add --no-cache \
        autoconf \
        automake \
        boost-dev \
        sqlite-dev \
        build-base \
        chrpath \
        file \
        libevent-dev \
        libressl \
        libtool \
        linux-headers \
        zeromq-dev

# Fetch pre-built berkeleydb
COPY  --from=berkeleydb /opt/  /opt/

# Change to the extracted directory
WORKDIR /bitcoin/

# Copy bitcoin source (downloaded & verified in previous stages)
COPY  --from=preparer /bitcoin/  ./

ENV BITCOIN_PREFIX /opt/bitcoin

RUN ./autogen.sh

# TODO: Try to optimize on passed params
RUN ./configure LDFLAGS=-L/opt/db4/lib/ CPPFLAGS=-I/opt/db4/include/ \
    CXXFLAGS="-O2" \
    --prefix="$BITCOIN_PREFIX" \
    --disable-man \
    --disable-shared \
    --disable-ccache \
    --disable-tests \
    --enable-static \
    --enable-reduce-exports \
    --without-gui \
    --without-libs \
    --with-utils \
    --with-sqlite=yes \
    --with-daemon

RUN make -j$(( $(nproc) + 1 )) check
RUN make install

# List installed binaries pre-strip & strip them
RUN ls -lh "$BITCOIN_PREFIX/bin/"
RUN strip -v "$BITCOIN_PREFIX/bin/bitcoin"*

# List installed binaries post-strip & print their checksums
RUN ls -lh "$BITCOIN_PREFIX/bin/"
RUN sha256sum "$BITCOIN_PREFIX/bin/bitcoin"*



#
## `final` aggregates build results from previous stages into a necessary minimum
#       ready to be used, and published to Docker Hub.
#
# NOTE: this stage is emulated using QEMU
# NOTE: `${ARCH:+${ARCH}/}` - if ARCH is set, append `/` to it, leave it empty otherwise
FROM ${ARCH:+${ARCH}/}alpine:${VER_ALPINE} AS final

ARG USER
ARG DIR

# Use APK repos over HTTPS. See: https://github.com/gliderlabs/docker-alpine/issues/184
RUN sed -i 's|http://dl-cdn.alpinelinux.org|https://alpine.global.ssl.fastly.net|g' /etc/apk/repositories

RUN apk add --no-cache \
        boost-filesystem \
        boost-thread \
        libevent \
        libsodium \
        libstdc++ \
        libzmq \
        sqlite-libs

COPY  --from=builder /opt/bitcoin/bin/bitcoin*  /usr/local/bin/

# NOTE: Default GID == UID == 1000
RUN adduser --disabled-password \
            --home "$DIR/" \
            --gecos "" \
            "$USER"

USER $USER

# Prevents `VOLUME $DIR/.bitcoind/` being created as owned by `root`
RUN mkdir -p "$DIR/.bitcoin/"

# Expose volume containing all `bitcoind` data
VOLUME $DIR/.bitcoin/

# REST interface
EXPOSE 8080

# P2P network (mainnet, testnet & regnet respectively)
EXPOSE 8333 18333 18444

# RPC interface (mainnet, testnet & regnet respectively)
EXPOSE 8332 18332 18443

# ZMQ ports (for transactions & blocks respectively)
EXPOSE 28332 28333

ENTRYPOINT ["bitcoind"]

CMD ["-zmqpubrawblock=tcp://0.0.0.0:28332", "-zmqpubrawtx=tcp://0.0.0.0:28333"]