Added docker image build script for k8s

scripts/build-bitcoin-images-k8s.sh

@@ -0,0 +1,56 @@
+#!/usr/bin/env bash
+
+# Create a new builder to enable building multi-platform images
+docker buildx create --use
+
+# Image and Registry info
+DOCKER_REGISTRY="bitcoindevproject/k8s-bitcoin-core"
+REPO="bitcoin/bitcoin"
+BUILD_ARGS="--disable-tests --with-incompatible-bdb --without-gui --disable-bench --disable-fuzz-binary --enable-suppress-external-warnings --without-miniupnpc --without-natpmp"
+echo "DOCKER_REGISTRY=${DOCKER_REGISTRY}"
+echo "REPO=${REPO}"
+
+# Tags and their supported architectures
+declare -A VERSION_ARCH_MAP=(
+    ["23.2"]="amd64 arm64 armhf"
+    ["24.2"]="amd64 arm64 armhf"
+    ["25.1"]="amd64 arm64 armhf"
+    ["26.0"]="amd64 arm64 armhf"
+)
+
+if [[ -d "src/templates" ]]; then
+  cd src/templates || exit 1
+else
+  echo "Directory src/templates does not exist. Please run this script from the project root."
+  exit 1
+fi
+
+# Loop through each tag and its architectures to build and push
+for VERSION in "${!VERSION_ARCH_MAP[@]}"; do
+    IFS=' ' read -ra ARCHS <<< "${VERSION_ARCH_MAP[${VERSION}]}"
+    IMAGES_LIST=()  # Array to store images for manifest
+    for DOCKER_ARCH in "${ARCHS[@]}"; do
+        echo "BRANCH=v${VERSION}"
+        echo "DOCKER_ARCH=${DOCKER_ARCH}"
+
+        IMAGE_TAG="${VERSION}-${DOCKER_ARCH}"
+        IMAGE_FULL_NAME="${DOCKER_REGISTRY}:${IMAGE_TAG}"
+        echo "IMAGE_FULL_NAME=${IMAGE_FULL_NAME}"
+
+        # Use Buildx to build the image for the specified architecture
+        docker buildx build --platform linux/"${DOCKER_ARCH}" \
+            --provenance=false \
+            --build-arg REPO="${REPO}" \
+            --build-arg BRANCH="v${VERSION}" \
+            --build-arg BUILD_ARGS="${BUILD_ARGS}" \
+            --tag "${IMAGE_FULL_NAME}" \
+            --file Dockerfile_k8 \
+            . --push
+
+        IMAGES_LIST+=("${IMAGE_FULL_NAME}")
+    done
+
+    # Create the manifest list for each version under the same repository
+    MANIFEST_TAG="${DOCKER_REGISTRY}:${VERSION}"
+    docker buildx imagetools create --tag "${MANIFEST_TAG}" "${IMAGES_LIST[@]}"
+done

src/templates/Dockerfile_k8

@@ -0,0 +1,84 @@
+FROM debian:bookworm-slim as builder
+ENV DEBIAN_FRONTEND=noninteractive
+
+ARG ARCH
+ARG REPO
+ARG BRANCH
+ARG BUILD_ARGS
+
+# Install dependencies
+RUN apt-get update && apt-get install -y --no-install-recommends \
+        ca-certificates \
+        wget \
+        git \
+        automake \
+        autotools-dev \
+        build-essential \
+        libtool \
+        libboost-dev \
+        libevent-dev \
+        libdb5.3++-dev \
+        libminiupnpc-dev \
+        libnatpmp-dev \
+        libzmq3-dev \
+        libqrencode-dev \
+        libsqlite3-dev \
+        pkg-config \
+    && rm -rf /var/lib/apt/lists/*  # Clean up to reduce image size
+
+# Copy the patch into the container
+COPY isroutable.patch /tmp/
+
+# Clone, patch, and build
+RUN set -ex \
+    && mkdir build \
+    && cd build \
+    && git clone --depth 1 --branch "${BRANCH}" "https://github.com/${REPO}" \
+    && cd bitcoin \
+    && git apply /tmp/isroutable.patch \
+    && ./autogen.sh \
+    && ./configure ${BUILD_ARGS} \
+    && make -j$(nproc) \
+    && make install
+
+# Shrink image size with a second stage
+FROM debian:bookworm-slim
+
+ARG UID=3338
+ARG GID=3338
+ARG REPO
+ARG TOR=0
+ARG WARNET=0
+ARG BITCOIN_ARGS
+# env var overrides
+ENV UID=$UID
+ENV GID=$GID
+ENV BITCOIN_DATA=/home/bitcoin/.bitcoin
+ENV BITCOIN_ARGS=$BITCOIN_ARGS
+ENV TOR=$TOR
+ENV WARNET=$WARNET
+
+RUN set -ex \
+    && groupadd --gid ${GID} bitcoin \
+    && useradd --create-home --no-log-init -u ${UID} -g ${GID} bitcoin \
+    && apt-get update \
+    && apt-get install -y --no-install-recommends \
+        dnsutils \
+        gosu \
+        iproute2 \
+        tor \
+        $(if [ -n "${REPO}" ]; then echo "libboost-dev libevent-dev libdb5.3++-dev libminiupnpc-dev libnatpmp-dev libzmq3-dev libqrencode-dev libsqlite3-dev"; fi) \
+    && apt-get clean \
+    && rm -rf /var/cache/apt/* /var/lib/apt/lists/*
+
+COPY --from=builder /usr/local/bin/bitcoind /usr/local/bin/bitcoin-cli /usr/local/bin/
+COPY entrypoint.sh /entrypoint.sh
+# Warnet torrc using test network
+COPY torrc /etc/tor/warnet-torr
+
+VOLUME ["/home/bitcoin/.bitcoin"]
+EXPOSE 8332 8333 18332 18333 18443 18444 38333 38332
+
+ENTRYPOINT ["/entrypoint.sh"]
+RUN bitcoind -version | grep -E "Bitcoin Core( Daemon)? version ${BRANCH}"
+CMD ["bitcoind"]

src/templates/isroutable.patch

@@ -0,0 +1,14 @@
+diff --git a/src/netaddress.cpp b/src/netaddress.cpp
+index 7530334db1..b66cfe5c2f 100644
+--- a/src/netaddress.cpp
++++ b/src/netaddress.cpp
+@@ -462,7 +462,7 @@ bool CNetAddr::IsValid() const
+  */
+ bool CNetAddr::IsRoutable() const
+ {
+-    return IsValid() && !(IsRFC1918() || IsRFC2544() || IsRFC3927() || IsRFC4862() || IsRFC6598() || IsRFC5737() || IsRFC4193() || IsRFC4843() || IsRFC7343() || IsLocal() || IsInternal());
++    return IsValid() && !(IsLocal() || IsInternal());
+ }
+
+ /**
+