ci and install just

Author: extrawurst

.github/workflows/ci.yml

@@ -0,0 +1,17 @@
+name: ci
+
+on:
+  pull_request:
+
+jobs:
+  build_runner:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+      attestations: write
+    steps:
+      - uses: actions/checkout@v4
+      - uses: extractions/setup-just@v1
+      - name: Docker build
+        run: just build

dockerfile

@@ -1,4 +1,4 @@
-FROM ghcr.io/actions/actions-runner:2.320.0
+FROM ghcr.io/actions/actions-runner:2.321.0
 
 USER root
 
@@ -20,9 +20,10 @@ RUN apt-get install -y --no-install-recommends \
     pkg-config \
     apt-transport-https \
     ca-certificates \
-    just \
     && rm -rf /var/lib/apt/lists/*
 
+RUN curl --proto '=https' --tlsv1.2 -sSf https://just.systems/install.sh | bash -s -- --to /usr/var/bin
+
 # Copy the start script and make it executable
 COPY start.sh /start.sh
 RUN chmod +x /start.sh