docker with buildx

.forgejo/workflows/deploy.yml

@@ -0,0 +1,17 @@
+on: [push]
+jobs:
+  deploy:
+    runs-on: docker
+    container:
+      image: registry.mightycastle.net/runner-image
+      volumes:
+        - /var/run/docker.sock:/var/run/docker.sock
+    steps:
+      - id: checkout
+        uses: actions/checkout@v4
+      - id: build
+        uses: docker/build-push-action@v6
+        with:
+          push: true
+          tags: registry.mightycastle.net/runner-image:latest
+

Dockerfile

@@ -4,7 +4,14 @@ LABEL version="1.0"
 
 ARG DEBIAN_FRONTEND=noninteractive
 
-RUN apt-get update && apt-get install -qy --no-install-recommends curl software-properties-common git docker.io \
-	&& curl -sL https://deb.nodesource.com/setup_22.x | sudo bash - \
-	&& apt-get install -qy --no-install-recommends nodejs
-	&& rm -rf /var/lib/apt/lists/* /var/log/*.log /usr/share/doc/* /usr/share/info/* /usr/share/linda/* /usr/share/lintian/overrides/* /usr/share/man/* /etc/cron.daily/* /etc/cron.d/* 
+RUN apt-get update && apt-get install -qy --no-install-recommends curl software-properties-common git sudo
+RUN install -m 0755 -d /etc/apt/keyrings
+RUN curl -fsSL https://download.docker.com/linux/debian/gpg -o /etc/apt/keyrings/docker.asc && chmod a+r /etc/apt/keyrings/docker.asc
+RUN echo \
+  "deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/docker.asc] https://download.docker.com/linux/debian \
+  $(. /etc/os-release && echo "$VERSION_CODENAME") stable" | tee /etc/apt/sources.list.d/docker.list > /dev/null \
+  && apt-get update \
+	&& apt-get install -qy --no-install-recommends docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin
+RUN curl -sL https://deb.nodesource.com/setup_22.x | sudo bash -
+RUN apt-get install -qy --no-install-recommends nodejs
+RUN rm -rf /var/lib/apt/lists/* /var/log/*.log /usr/share/doc/* /usr/share/info/* /usr/share/linda/* /usr/share/lintian/overrides/* /usr/share/man/* /etc/cron.daily/* /etc/cron.d/*