From b3a148da65528d18fb0754fea546502aba44fd9b Mon Sep 17 00:00:00 2001
From: Robbie Blaine <robbieblaine.rb@gmail.com>
Date: Wed, 8 Oct 2025 16:06:30 +0200
Subject: [PATCH 1/2] Build Polkadot Parachain

---
 .github/workflows/publish.yml | 17 ++++++++---------
 Dockerfile                    |  4 +++-
 2 files changed, 11 insertions(+), 10 deletions(-)

diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index 3f8b97d..03f8f80 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -29,38 +29,37 @@ jobs:
 
     steps:
       - name: Pull Docker image
-        run: |
-          docker pull ghcr.io/${{ github.repository_owner }}/polkadot:${VERSION}
+        run: docker pull ghcr.io/${{ github.repository_owner }}/polkadot:${VERSION}
 
       - name: Create directory for binaries
         run: mkdir -p binaries
 
       - name: Extract binaries from image
-        run: |
+        run: |-
           container_id=$(docker create ghcr.io/${{ github.repository_owner }}/polkadot:${VERSION})
           docker cp $container_id:/usr/local/bin/polkadot binaries/
           docker cp $container_id:/usr/local/bin/polkadot-execute-worker binaries/
           docker cp $container_id:/usr/local/bin/polkadot-prepare-worker binaries/
+          docker cp $container_id:/usr/local/bin/polkadot-parachain binaries/
           docker rm $container_id
 
       - name: Generate SHA-256 hashes for binaries
         working-directory: binaries
-        run: |
+        run: |-
           sha256sum polkadot > polkadot.sha256
           sha256sum polkadot-execute-worker > polkadot-execute-worker.sha256
           sha256sum polkadot-prepare-worker > polkadot-prepare-worker.sha256
+          sha256sum polkadot-parachain > polkadot-parachain.sha256
 
       - name: Create tarball
-        run: |
-          tar -czvf polkadot-${VERSION}-${{ matrix.arch }}.tgz -C binaries .
+        run: tar -czvf polkadot-${VERSION}-${{ matrix.arch }}.tgz -C binaries .
 
       - name: Generate SHA-256 for tarball
-        run: |
-          sha256sum polkadot-${VERSION}-${{ matrix.arch }}.tgz > polkadot-${VERSION}-${{ matrix.arch }}.tgz.sha256
+        run: sha256sum polkadot-${VERSION}-${{ matrix.arch }}.tgz > polkadot-${VERSION}-${{ matrix.arch }}.tgz.sha256
 
       - name: Upload assets to release
         uses: softprops/action-gh-release@6da8fa9354ddfdc4aeace5fc48d7f679b5214090 # v2.4.1
         with:
-          files: |
+          files: |-
             polkadot-${{ env.VERSION }}-${{ matrix.arch }}.tgz
             polkadot-${{ env.VERSION }}-${{ matrix.arch }}.tgz.sha256
diff --git a/Dockerfile b/Dockerfile
index 2095844..99918f8 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -28,7 +28,8 @@ RUN cargo build --locked \
   --profile production \
   --bin polkadot \
   --bin polkadot-execute-worker \
-  --bin polkadot-prepare-worker
+  --bin polkadot-prepare-worker \
+  --bin polkadot-parachain
 
 ##################
 # --- runner --- #
@@ -46,6 +47,7 @@ RUN groupadd --gid 65532 nonroot \
 COPY --from=builder /opt/polkadot-sdk/target/production/polkadot /usr/local/bin/polkadot
 COPY --from=builder /opt/polkadot-sdk/target/production/polkadot-execute-worker /usr/local/bin/polkadot-execute-worker
 COPY --from=builder /opt/polkadot-sdk/target/production/polkadot-prepare-worker /usr/local/bin/polkadot-prepare-worker
+COPY --from=builder /opt/polkadot-sdk/target/production/polkadot-parachain /usr/local/bin/polkadot-parachain
 
 USER 65532
 

From 608d11ea68df67fa2fb8649036b45159964b88be Mon Sep 17 00:00:00 2001
From: Robbie Blaine <robbieblaine.rb@gmail.com>
Date: Thu, 9 Oct 2025 13:37:09 +0200
Subject: [PATCH 2/2] Cargo Build Build Dir, Release instead of Production

---
 Dockerfile | 17 ++++++++++-------
 1 file changed, 10 insertions(+), 7 deletions(-)

diff --git a/Dockerfile b/Dockerfile
index 99918f8..0052538 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -20,12 +20,15 @@ RUN rustup target add wasm32v1-none
 RUN rustup target add wasm32-unknown-unknown
 RUN rustup component add rust-src
 
+# https://doc.rust-lang.org/stable/cargo/reference/config.html#buildbuild-dir
+ENV CARGO_BUILD_BUILD_DIR=/opt/polkadot-sdk/.cargo-target
+
 WORKDIR /opt
 ARG VERSION=stable2509-1
 RUN git clone https://github.com/paritytech/polkadot-sdk.git -b polkadot-$VERSION --depth 1
 WORKDIR /opt/polkadot-sdk
 RUN cargo build --locked \
-  --profile production \
+  --profile release \
   --bin polkadot \
   --bin polkadot-execute-worker \
   --bin polkadot-prepare-worker \
@@ -34,7 +37,12 @@ RUN cargo build --locked \
 ##################
 # --- runner --- #
 ##################
-FROM docker.io/debian:13-slim
+FROM docker.io/debian:13-slim AS polkadot
+
+COPY --from=builder /opt/polkadot-sdk/target/production/polkadot /usr/local/bin/polkadot
+COPY --from=builder /opt/polkadot-sdk/target/production/polkadot-execute-worker /usr/local/bin/polkadot-execute-worker
+COPY --from=builder /opt/polkadot-sdk/target/production/polkadot-prepare-worker /usr/local/bin/polkadot-prepare-worker
+COPY --from=builder /opt/polkadot-sdk/target/production/polkadot-parachain /usr/local/bin/polkadot-parachain
 
 # Install curl for healthcheck
 RUN apt-get update && \
@@ -44,11 +52,6 @@ RUN apt-get update && \
 RUN groupadd --gid 65532 nonroot \
   && useradd --system --uid 65532 --gid 65532 --create-home --home-dir /home/nonroot --shell /usr/bin/bash nonroot
 
-COPY --from=builder /opt/polkadot-sdk/target/production/polkadot /usr/local/bin/polkadot
-COPY --from=builder /opt/polkadot-sdk/target/production/polkadot-execute-worker /usr/local/bin/polkadot-execute-worker
-COPY --from=builder /opt/polkadot-sdk/target/production/polkadot-prepare-worker /usr/local/bin/polkadot-prepare-worker
-COPY --from=builder /opt/polkadot-sdk/target/production/polkadot-parachain /usr/local/bin/polkadot-parachain
-
 USER 65532
 
 # P2P