commit f2a4d4e77c1996c435e95a0cbb20df271682c960
Author: PikalaxALT <PikalaxALT@users.noreply.github.com>
Date:   Mon Apr 27 21:05:50 2026 -0400

    Initial commit

diff --git a/.github/workflows/docker.yml b/.github/workflows/docker.yml
new file mode 100644
index 0000000..fb08a49
--- /dev/null
+++ b/.github/workflows/docker.yml
@@ -0,0 +1,37 @@
+name: Build Docker container
+
+permissions:
+  packages: write
+
+on:
+  push:
+  workflow_dispatch:
+
+jobs:
+  docker-build:
+    runs-on: ubuntu-22.04
+    if: ${{ github.repository == 'pret/dsbuild' }}
+    steps:
+      - name: Checkout
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+      - name: Login to GHCR
+        uses: docker/login-action@4907a6ddec9925e35a0a9e82d7399ccc52663121 # v4.1.0
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@ce360397dd3f832beb865e1373c09c0e9f86d70a # v4.0.0
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@4d04d5d9486b7bd6fa91e7baf45bbb4f8b9deedd # v4.0.0
+      - name: Get short sha
+        id: short-sha
+        run: |
+          echo "short-sha=$(git rev-parse --short HEAD)" >> $GITHUB_OUTPUT
+      - name: Build and push
+        uses: docker/build-push-action@bcafcacb16a39f128d818304e6c9c0c18556b85f # v7.1.0
+        with:
+          push: ${{ github.actor != 'nektos/act' }}
+          tags: |
+            ghcr.io/pret/dsbuild:latest
+            ghcr.io/pret/dsbuild:${{ steps.short-sha.outputs.short-sha }}-${{ github.run_number }}
diff --git a/Dockerfile b/Dockerfile
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index 0000000..3255857
--- /dev/null
+++ b/Dockerfile
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+# check=skip=FromPlatformFlagConstDisallowed
+FROM --platform=linux/amd64 ubuntu:22.04
+LABEL com.docker.image.name=ghcr.io/pret/dsbuild \
+      org.opencontainers.image.source=https://github/pret/dsbuild \
+      org.opencontainers.image.description="Ubuntu image wrapping wine32, suitable to run the Nintendo DS compiler" \
+      org.opencontainers.image.authors="pret"
+
+RUN apt-get -y update \
+ && apt-get -y install \
+    ca-certificates \
+    software-properties-common \
+ && add-apt-repository ppa:ubuntu-toolchain-r/test -y \
+ && apt-get -y --allow-downgrades install \
+    g++-10-multilib \
+    linux-libc-dev \
+    binutils-arm-none-eabi \
+    p7zip-full \
+    pkg-config \
+    libpugixml-dev \
+    ppa-purge \
+    wget \
+    lsb-release \
+    make \
+    git \
+    build-essential \
+    python3 \
+    libpng-dev \
+    unzip \
+    sudo \
+ && { ppa-purge -y ppa:ubuntu-toolchain-r/test || true; } \
+ && dpkg --add-architecture i386 \
+ && mkdir -pm755 /etc/apt/keyrings \
+ && wget -O /etc/apt/keyrings/winehq-archive.key https://dl.winehq.org/wine-builds/winehq.key \
+ && add-apt-repository ppa:cybermax-dexter/sdl2-backport \
+ && wget -NP /etc/apt/sources.list.d/ https://dl.winehq.org/wine-builds/ubuntu/dists/$(lsb_release -cs)/winehq-$(lsb_release -cs).sources \
+ && apt-get update \
+ && apt-get install --install-recommends --allow-downgrades -y winehq-stable \
+ && hash -r
+
+ENTRYPOINT [ "/bin/bash" ]
diff --git a/README.md b/README.md
new file mode 100644
index 0000000..8dffc08
--- /dev/null
+++ b/README.md
@@ -0,0 +1,8 @@
+This repository builds a Docker image wrapping 32-bit wine and containing all dependencies needed to build Nintendo DS ROMs from source.
+
+```bash
+docker exec -v $(pwd):/work -w /work ghcr.io/pret/dsbuild:latest wine tools/mwccarm/2.0/sp2p2/mwccarm.exe ...
+```
+
+For contacts and other pret projects, see [pret.github.io](https://pret.github.io/).
+