split generic build into two to use less disk space

Author: 1ma

.github/workflows/build-images.yml

@@ -31,6 +31,24 @@ jobs:
           sbom: false
           targets: default
 
+  rust:
+    name: Build Rust-infected images
+    runs-on: ubuntu-24.04
+    steps:
+      - uses: actions/checkout@v6
+      - uses: docker/setup-qemu-action@v3
+      - uses: docker/setup-buildx-action@v3
+      - uses: docker/login-action@v3
+        with:
+          username: 1maa
+          password: ${{ secrets.DOCKER_HUB_PASS }}
+      - uses: docker/bake-action@v6
+        with:
+          provenance: false
+          push: true
+          sbom: false
+          targets: rust-build
+
   erlang-multiarch:
     name: Build Erlang ${{ matrix.versions }} on ${{ matrix.runners }}
     runs-on: ${{ matrix.runners }}

docker-bake.hcl

@@ -25,12 +25,8 @@ variable "PHP_MAJOR" {
 group "default" {
   description = "Dependency-free images that can be easily built concurrently"
   targets = [
-    "cln-alpine",
-    "cln-debian",
-    "electrs",
     "haproxy",
     "lnd",
-    "mempool-guide-backend",
     "mempool-guide-frontend",
     "protoc",
     "selfsig",
@@ -39,6 +35,16 @@ group "default" {
   ]
 }
 
+group "rust-build" {
+  description = "Images involving cumbersome Rust builds"
+  targets = [
+    "cln-alpine",
+    "cln-debian",
+    "electrs",
+    "mempool-guide-backend",
+  ]
+}
+
 target "cln-alpine" {
   context = "core-lightning"
   cache-to = [{type = "inline"}]