adding dockerfile for cpunet compatible bitcoin-node

Author: Sansh2356

DockerFile

@@ -0,0 +1,108 @@
+FROM debian:bookworm-slim AS builder
+
+RUN apt-get update && apt-get install -y \
+    build-essential \
+    cmake \
+    pkg-config \
+    git \
+    python3 \
+    libssl-dev \
+    libevent-dev \
+    libboost-dev \
+    libsqlite3-dev \
+    capnproto \
+    libcapnp-dev \
+    && rm -rf /var/lib/apt/lists/*
+
+WORKDIR /build
+
+RUN git clone \
+    --branch cpunet \
+    --depth 1 \
+    https://github.com/braidpool/bitcoin.git \
+    .
+
+RUN cmake -B build \
+        -DCMAKE_BUILD_TYPE=Release \
+        -DENABLE_IPC=ON \
+        -DBUILD_CLI=ON \
+        -DBUILD_TESTS=OFF \
+        -DBUILD_GUI=OFF \
+        -DWITH_WALLET=OFF \
+        -DWITH_BDB=OFF 
+RUN cd build && make -j$(nproc)
+RUN ls -la /build/build/bin/bitcoin-node && \
+    ldd /build/build/bin/bitcoin-node | grep capnp
+RUN ls -la /build/build/bin
+RUN ldd /build/build/bin/bitcoin-node
+FROM debian:bookworm-slim AS runtime
+
+RUN apt-get update && apt-get install -y \
+    libevent-2.1-7 \
+    libboost-filesystem1.81.0 \
+    libboost-thread1.81.0 \
+    curl \
+    && rm -rf /var/lib/apt/lists/*
+
+RUN groupadd -r bitcoin && \
+    useradd -r -g bitcoin -d /data -m bitcoin
+
+
+RUN ls -la
+
+COPY --from=builder /build/build/bin/bitcoin-node /usr/local/bin/bitcoin-node
+COPY --from=builder /build/build/bin/bitcoin-cli  /usr/local/bin/bitcoin-cli
+COPY --from=builder /usr/lib/x86_64-linux-gnu/libcapnp*.so* /usr/lib/x86_64-linux-gnu/
+COPY --from=builder /usr/lib/x86_64-linux-gnu/libkj*.so*    /usr/lib/x86_64-linux-gnu/
+COPY --from=builder /lib/x86_64-linux-gnu/libevent_core-2.1.so.7     /lib/x86_64-linux-gnu/
+COPY --from=builder /lib/x86_64-linux-gnu/libevent_extra-2.1.so.7    /lib/x86_64-linux-gnu/
+COPY --from=builder /lib/x86_64-linux-gnu/libevent_pthreads-2.1.so.7 /lib/x86_64-linux-gnu/
+COPY --from=builder /lib/x86_64-linux-gnu/libcapnp-rpc-0.9.2.so      /lib/x86_64-linux-gnu/
+COPY --from=builder /lib/x86_64-linux-gnu/libcapnp-0.9.2.so          /lib/x86_64-linux-gnu/
+COPY --from=builder /lib/x86_64-linux-gnu/libkj-async-0.9.2.so       /lib/x86_64-linux-gnu/
+COPY --from=builder /lib/x86_64-linux-gnu/libkj-0.9.2.so             /lib/x86_64-linux-gnu/
+COPY --from=builder /lib/x86_64-linux-gnu/libsqlite3.so.0             /lib/x86_64-linux-gnu/
+COPY --from=builder /lib/x86_64-linux-gnu/libstdc++.so.6              /lib/x86_64-linux-gnu/
+COPY --from=builder /lib/x86_64-linux-gnu/libgcc_s.so.1               /lib/x86_64-linux-gnu/
+
+RUN ldconfig
+
+RUN mkdir -p /data/.bitcoin/cpunet /tmp/bitcoin-ipc && \
+    printf '%s\n' \
+        '[cpunet]' \
+        'server=1' \
+        'rpcuser=braidpool' \
+        'rpcpassword=changeme' \
+        'rpcbind=0.0.0.0' \
+        'rpcallowip=0.0.0.0/0' \
+        'zmqpubsequence=tcp://0.0.0.0:38338' \
+        'zmqpubhashblock=tcp://0.0.0.0:38332' \
+        'ipcbind=unix:/tmp/bitcoin-ipc/bitcoin.sock' \
+        'debug=ipc' \
+        'printtoconsole=1' \
+        > /data/.bitcoin/bitcoin.conf   
+RUN mkdir -p /data/.bitcoin /tmp/bitcoin-ipc && \
+    chown -R bitcoin:bitcoin /data /tmp/bitcoin-ipc
+
+USER bitcoin
+
+ENV HOME=/data
+
+VOLUME ["/data/.bitcoin", "/tmp/bitcoin-ipc"]
+
+EXPOSE 28333  
+EXPOSE 28332  
+EXPOSE 38332    
+EXPOSE 38338  
+HEALTHCHECK --interval=15s --timeout=5s --start-period=60s --retries=5 \
+    CMD bitcoin-cli \
+        -cpunet \
+        -datadir=/data/.bitcoin \
+        -rpcuser=braidpool \
+        -rpcpassword=changeme \
+        getblockcount || exit 1
+
+ENTRYPOINT ["bitcoin-node", \
+    "-cpunet", \
+    "-debug=ipc", \
+    "-printtoconsole"]