Upgrade CI to ubuntu-24.04

Author: benjyw

.github/workflows/pants.yaml

@@ -11,15 +11,15 @@ jobs:
   org-check:
     name: Check GitHub Organization
     if: ${{ github.repository_owner == 'pantsbuild' }}
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-24.04
     steps:
       - name: Noop
         run: "true"
 
   build:
     name: Perform CI Checks
     needs: org-check
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-24.04
     strategy:
       matrix:
         python-version: [3.8]

.github/workflows/pants.yaml-e

@@ -0,0 +1,102 @@
+# Copyright 2022 Pants project contributors.
+# Licensed under the Apache License, Version 2.0 (see LICENSE).
+
+# See https://www.pantsbuild.org/stable/docs/using-pants/using-pants-in-ci for tips on how to set up your CI with Pants.
+
+name: Pants
+
+on: [push, pull_request]
+
+jobs:
+  org-check:
+    name: Check GitHub Organization
+    if: ${{ github.repository_owner == 'pantsbuild' }}
+    runs-on: ubuntu-20.04
+    steps:
+      - name: Noop
+        run: "true"
+
+  build:
+    name: Perform CI Checks
+    needs: org-check
+    runs-on: ubuntu-20.04
+    strategy:
+      matrix:
+        python-version: [3.8]
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: actions/setup-python@v5
+        with:
+          python-version: ${{ matrix.python-version }}
+
+      - uses: crazy-max/ghaction-setup-docker@v3
+        with:
+          daemon-config: |
+            {
+              "features": {
+                "containerd-snapshotter": true
+              }
+            }
+
+      - uses: docker/setup-buildx-action@v3
+        with:
+          install: true
+          driver: docker
+
+      # Required for multi-platform builds
+      - name: Setup QEMU
+        uses: docker/setup-qemu-action@v3
+        with:
+          platforms: linux/amd64,linux/arm64
+
+      - name: Set up environment variables for Pants (Docker) to use GHA Cache
+        uses: actions/github-script@v7
+        with:
+          script: |
+            core.exportVariable("ACTIONS_CACHE_URL", process.env.ACTIONS_CACHE_URL || "");
+            core.exportVariable("ACTIONS_RUNTIME_TOKEN", process.env.ACTIONS_RUNTIME_TOKEN || "");
+
+      - uses: pantsbuild/actions/init-pants@v9
+        # This action bootstraps pants and manages 2-3 GHA caches.
+        # See: github.com/pantsbuild/actions/tree/main/init-pants/
+        with:
+          # v0 makes it easy to bust the cache if needed
+          # just increase the integer to start with a fresh cache
+          gha-cache-key: v0
+          # This repo has no 3rd-party requirements and no lockfiles, so we don't invalidate
+          # the named caches on anything extra. See other example repos for better examples of
+          # how to set up this cache.
+          named-caches-hash: ""
+          # If you're not using a fine-grained remote caching service (see https://www.pantsbuild.org/docs/remote-caching),
+          # then you may also want to preserve the local Pants cache (lmdb_store). However this must invalidate for
+          # changes to any file that can affect the build, so may not be practical in larger repos.
+          # A remote cache service integrates with Pants's fine-grained invalidation and avoids these problems.
+          cache-lmdb-store: "true" # defaults to 'false'
+          # Note that named_caches and lmdb_store falls back to partial restore keys which
+          # may give a useful partial result that will save time over completely clean state,
+          # but will cause the cache entry to grow without bound over time.
+          # See https://www.pantsbuild.org/stable/docs/using-pants/using-pants-in-ci for tips on how to periodically clean it up.
+          # Alternatively you change gha-cache-key to ignore old caches.
+
+      - name: Bootstrap Pants
+        run: pants --version
+
+      - name: Check Pants config files
+        run: pants tailor --check update-build-files --check '::'
+
+      - name: Lint, compile, and test
+        run: pants lint check test '::'
+
+      - name: Package / Run
+        env:
+          DYNAMIC_TAG: workflow
+        run: |
+          pants --docker-build-verbose package ::
+
+      - name: Upload Pants log
+        uses: actions/upload-artifact@v4
+        with:
+          name: pants-log
+          path: .pants.d/pants.log
+        if: always() # We want the log even on failures.

foo/BUILD

@@ -0,0 +1,18 @@
+docker_image(
+    name = "01-base",
+    instructions = [
+        "FROM python:3.11.8-slim-bookworm"
+    ]
+)
+
+docker_image(
+    name = "02-app",
+    dependencies = [
+       ":01-base"
+    ],
+    instructions = [
+        "FROM 01-base:latest",
+        "RUN echo test"
+    ]
+)
+