Add image with all toolchains installed

.gitea/workflows/publish.yaml

@@ -28,7 +28,7 @@ jobs:
           push: true
           build-args: TOOLCHAIN=stable
           file: 'rustup/Dockerfile'
-          tags: gitea.loadingm.xyz/the10thwiz/rustup:stable,gitea.loadingm.xyz/the10thwiz/rustup:latest
+          tags: gitea.loadingm.xyz/the10thwiz/rustup:stable
       - name: Build and push
         uses: docker/build-push-action@v6
         with:
@@ -43,3 +43,10 @@ jobs:
           build-args: TOOLCHAIN=nightly
           file: 'rustup/Dockerfile'
           tags: gitea.loadingm.xyz/the10thwiz/rustup:nightly
+      - name: Build and push
+        uses: docker/build-push-action@v6
+        with:
+          push: true
+          build-args: TOOLCHAIN=stable,EXTRA="beta nightly"
+          file: 'rustup/Dockerfile'
+          tags: gitea.loadingm.xyz/the10thwiz/rustup:latest

rustup/Dockerfile

@@ -23,10 +23,11 @@ RUN apt-get update && \
 #     OPENSSL_INCLUDE_DIR=/usr/local/ssl/include \
 #     OPENSSL_STATIC=1
 
-ARG TOOLCHAIN
-
 # install toolchain
+ARG TOOLCHAIN
 RUN curl https://sh.rustup.rs -sSf | \
     sh -s -- --default-toolchain $TOOLCHAIN -y
-
 ENV PATH=/root/.cargo/bin:$PATH
+
+ARG EXTRA=""
+RUN for name in "$EXTRA"; do rustup install $name; done