[mod] ci: use custom static podman (#5354)

We only need updated podman on `build`. `test` and `release` can use image
provided container engine binaries.

4 files changed, 40 insertions, 7 deletions

diff --git a/.github/workflows/container.yml b/.github/workflows/container.yml
index e49c1cada..59c08a125 100644
--- a/.github/workflows/container.yml
+++ b/.github/workflows/container.yml
@@ -33,12 +33,15 @@ jobs:
       matrix:
         include:
           - arch: amd64
+            march: amd64
             os: ubuntu-24.04
             emulation: false
           - arch: arm64
+            march: arm64
             os: ubuntu-24.04-arm
             emulation: false
           - arch: armv7
+            march: arm64
             os: ubuntu-24.04-arm
             emulation: true
 
@@ -50,6 +53,30 @@ jobs:
       git_url: ${{ steps.build.outputs.git_url }}
 
     steps:
+      # yamllint disable rule:line-length
+      - name: Setup podman
+        env:
+          PODMAN_VERSION: "v5.6.2"
+        run: |
+          # dpkg man-db trigger is very slow on GHA runners
+          # https://github.com/actions/runner-images/issues/10977
+          # https://github.com/actions/runner/issues/4030
+          sudo rm -f /var/lib/man-db/auto-update
+
+          sudo apt-get purge -y podman runc crun conmon
+
+          curl -fsSLO "https://github.com/mgoltzsche/podman-static/releases/download/${{ env.PODMAN_VERSION }}/podman-linux-${{ matrix.march }}.tar.gz"
+          curl -fsSLO "https://github.com/mgoltzsche/podman-static/releases/download/${{ env.PODMAN_VERSION }}/podman-linux-${{ matrix.march }}.tar.gz.asc"
+          gpg --keyserver hkps://keyserver.ubuntu.com --recv-keys 0CCF102C4F95D89E583FF1D4F8B5AF50344BB503
+          gpg --batch --verify "podman-linux-${{ matrix.march }}.tar.gz.asc" "podman-linux-${{ matrix.march }}.tar.gz"
+
+          tar -xzf "podman-linux-${{ matrix.march }}.tar.gz"
+          sudo cp -rfv ./podman-linux-${{ matrix.march }}/etc/. /etc/
+          sudo cp -rfv ./podman-linux-${{ matrix.march }}/usr/. /usr/
+
+          sudo sysctl -w kernel.apparmor_restrict_unprivileged_userns=0
+      # yamllint enable rule:line-length
+
       - name: Setup Python
         uses: actions/setup-python@e797f83bcb11b83ae66e0230d6156d7c80228e7c  # v6.0.0
         with:
@@ -68,12 +95,18 @@ jobs:
           restore-keys: "python-${{ env.PYTHON_VERSION }}-${{ runner.arch }}-"
           path: "./local/"
 
-      - name: Setup cache container uv
+      - name: Get date
+        id: date
+        run: echo "date=$(date +'%Y%m%d')" >>$GITHUB_OUTPUT
+
+      - name: Setup cache container
         uses: actions/cache@0057852bfaa89a56745cba8c7296529d2fc39830  # v4.3.0
         with:
-          key: "container-uv-${{ matrix.arch }}-${{ hashFiles('./requirements*.txt') }}"
-          restore-keys: "container-uv-${{ matrix.arch }}-"
-          path: "/var/tmp/buildah-cache-1001/uv/"
+          key: "container-${{ matrix.arch }}-${{ steps.date.outputs.date }}-${{ hashFiles('./requirements*.txt') }}"
+          restore-keys: |
+            "container-${{ matrix.arch }}-${{ steps.date.outputs.date }}-"
+            "container-${{ matrix.arch }}-"
+          path: "/var/tmp/buildah-cache-*/*"
 
       - if: ${{ matrix.emulation }}
         name: Setup QEMU
diff --git a/container/builder.dockerfile b/container/builder.dockerfile
index 9a2d46170..eced10428 100644
--- a/container/builder.dockerfile
+++ b/container/builder.dockerfile
@@ -19,8 +19,7 @@ RUN --mount=type=cache,id=uv,target=/root/.cache/uv set -eux -o pipefail; \
     find ./.venv/lib/python*/site-packages/*.dist-info/ -type f -name "RECORD" -exec sort -t, -k1,1 -o {} {} \;; \
     find ./.venv/ -exec touch -h --date="@$TIMESTAMP_VENV" {} +
 
-# use "--exclude=./searx/version_frozen.py" when actions/runner-images updates to Podman 5.0+
-COPY ./searx/ ./searx/
+COPY --exclude=./searx/version_frozen.py ./searx/ ./searx/
 
 ARG TIMESTAMP_SETTINGS="0"
 
diff --git a/container/dist.dockerfile b/container/dist.dockerfile
index 10ad0d88f..f2d4b0fee 100644
--- a/container/dist.dockerfile
+++ b/container/dist.dockerfile
@@ -7,7 +7,7 @@ FROM ghcr.io/searxng/base:searxng AS dist
 COPY --chown=977:977 --from=builder /usr/local/searxng/.venv/ ./.venv/
 COPY --chown=977:977 --from=builder /usr/local/searxng/searx/ ./searx/
 COPY --chown=977:977 ./container/ ./
-#COPY --chown=977:977 ./searx/version_frozen.py ./searx/
+COPY --chown=977:977 ./searx/version_frozen.py ./searx/
 
 ARG CREATED="0001-01-01T00:00:00Z"
 ARG VERSION="unknown"
diff --git a/utils/lib_sxng_container.sh b/utils/lib_sxng_container.sh
index eee218c06..50c1c7ef1 100644
--- a/utils/lib_sxng_container.sh
+++ b/utils/lib_sxng_container.sh
@@ -37,6 +37,7 @@ container.build() {
         fi
     fi
     info_msg "Selected engine: $container_engine"
+    "$container_engine" version
 
     # Setup arch specific
     case $parch in