diff --git a/.github/workflows/docker-build.yml b/.github/workflows/docker-build.yml
index d26c8cd..17d4404 100644
--- a/.github/workflows/docker-build.yml
+++ b/.github/workflows/docker-build.yml
@@ -2,6 +2,7 @@ name: Docker build and push
 
 on:
   workflow_dispatch:
+  pull_request:
   push:
     tags:
       - '**'
@@ -10,6 +11,26 @@ jobs:
   build-push:
     runs-on: ubuntu-latest
     steps:
+      # - name: Maximize build disk space
+      #   uses: easimon/maximize-build-space@v10
+      #   with:
+      #     remove-dotnet:        true
+      #     remove-android:       true
+      #     remove-haskell:       true
+      #     remove-codeql:        true
+      #     remove-docker-images: true
+
+      - name: Resize /dev/shm
+        run: |
+          sudo mount -o remount,size=4G /dev/shm
+
+      - name: Mount /var as tmpfs
+        run: |
+          sudo rm -rf /var
+          sudo mkdir /var
+          sudo chmod 0755 /var
+          sudo mount -t tmpfs -o size=30G tmpfs /var
+
       - name: Checkout
         uses: actions/checkout@v4
 
diff --git a/.github/workflows/max-space.yml b/.github/workflows/max-space.yml
new file mode 100644
index 0000000..efba62a
--- /dev/null
+++ b/.github/workflows/max-space.yml
@@ -0,0 +1,32 @@
+name: My build action requiring more space
+
+on: workflow_dispatch
+
+jobs:
+  build:
+    name: Build my artifact
+    runs-on: ubuntu-latest
+    steps:
+      - name: Free space before
+        run: |
+          echo "Free space before:"
+          df -h
+
+      - name: Maximize build disk space
+        uses: easimon/maximize-build-space@v10
+        with:
+          # need space in /var for Docker images
+          root-reserve-mb:      30000
+          remove-dotnet:        true
+          remove-android:       true
+          remove-haskell:       true
+          remove-codeql:        true
+          remove-docker-images: true
+
+      - name: Checkout
+        uses: actions/checkout@v3
+
+      - name: Free space after
+        run: |
+          echo "Free space after:"
+          df -h