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+# Holds common docker settings for running containerized tests.
+#
+# Examples:
+#     docker-compose run archlinux-webkit tox -e py-qt5 -- tests/unit/browser/webengine/test_webenginesettings.py
+#     docker-compose run archlinux-webengine-unstable-qt6 tox -e py -- tests/unit/browser/webengine/test_webenginesettings.py
+#     IMAGE=python:3.8 docker-compose run other bash
+#
+# archlinux-* images are generated by scripts/dev/ci/docker/generate.py and
+# published from CI.
+# For other images, like python:3.8 or ubuntu:20.04, use
+# `IMAGE=python:3.8 docker-compose run other bash`.
+# See doc/contributing.asciidoc for more notes.
+#
+# `extends` might not work on some compose versions: https://stackoverflow.com/questions/36283908/re-using-environment-variables-in-docker-compose-yml
+# Env var interpolation (for the "other") service, might not work on older
+# compose versions.
+services:
+  base:
+    image: index.docker.io/library/python:3
+    environment:
+      QUTE_TESTS_BACKEND: "webengine"
+      # DISPLAY allows connecting applications in the container to a Xephyr display on
+      # the host via the mounted /tmp/ directory below.
+      # Run like:
+      #     Xephyr :27 -ac -resizeable -title qutetests -screen 1920x1080 -no-host-grab
+      DISPLAY: ":27"
+      # Since we are mounting the source dir from the host, move cache dirs
+      # out of the work directory into the container so we can avoid conflicts
+      # with permissions.
+      TOX_WORK_DIR: "/home/user/.tox"
+      HYPOTHESIS_EXAMPLES_DIR: "/home/user/.hypothesis/examples"
+      # This tells tox to make the system site packages available in the
+      # virtualenvs it creates, which lets you use the distro Qt when doing `tox -e py`
+      VIRTUALENV_SYSTEM_SITE_PACKAGES: "true"
+    working_dir: /work
+    volumes:
+      - /tmp/.X11-unix:/tmp/.X11-unix
+      - type: bind
+        source: $PWD
+        target: /work
+        read_only: true
+
+  archlinux-webengine-unstable-qt6:
+    extends: base
+    image: index.docker.io/qutebrowser/ci:archlinux-webengine-unstable-qt6
+
+  archlinux-webengine-unstable:
+    image: index.docker.io/qutebrowser/ci:archlinux-webengine-unstable
+    extends: base
+
+  archlinux-webengine-qt6:
+    image: index.docker.io/qutebrowser/ci:archlinux-webengine-qt6
+    extends: base
+
+  archlinux-webengine:
+    image: index.docker.io/qutebrowser/ci:archlinux-webengine
+    extends: base
+
+  archlinux-webkit:
+    image: index.docker.io/qutebrowser/ci:archlinux-webkit
+    extends: base
+    environment:
+      QUTE_TESTS_BACKEND: "webkit"
+
+  other:
+    image: "${IMAGE}"
+    extends: base