[enh] container: merge dockerfiles (#6861)

* [enh] container: merge dockerfiles

Leftover from https://github.com/searxng/searxng/pull/6720

* [enh] apply suggestion

https://github.com/searxng/searxng/pull/6861#discussion_r4302473383

container/Dockerfile

@@ -1,4 +1,29 @@
-FROM localhost/searxng/searxng:builder AS builder
+FROM docker.io/searxng/base:searxng-builder AS builder
+
+COPY ./requirements.txt ./requirements-server.txt ./
+
+ENV UV_NO_MANAGED_PYTHON="true"
+
+RUN --mount=type=cache,id=uv,target=/root/.cache/uv set -eux -o pipefail; \
+    uv venv; \
+    uv pip install --requirements ./requirements.txt --requirements ./requirements-server.txt; \
+    uv cache prune --ci; \
+    find ./.venv/lib/ -type f -exec strip --strip-unneeded {} + || true; \
+    find ./.venv/lib/ -type d -name "__pycache__" -exec rm -rf {} +; \
+    find ./.venv/lib/ -type f -name "*.pyc" -delete; \
+    python -m compileall -q -f -j 0 --invalidation-mode=unchecked-hash ./.venv/lib/
+
+COPY --exclude=./searx/version_frozen.py ./searx/ ./searx/
+
+RUN set -eux -o pipefail; \
+    python -m compileall -q -f -j 0 --invalidation-mode=unchecked-hash ./searx/; \
+    find ./searx/static/ -type f \
+    \( -name "*.html" -o -name "*.css" -o -name "*.js" -o -name "*.svg" \) \
+    -exec gzip -9 -k {} + \
+    -exec brotli -9 -k {} + \
+    -exec gzip --test {}.gz + \
+    -exec brotli --test {}.br +
+
 FROM docker.io/searxng/base:searxng AS dist
 
 COPY --chown=977:977 --from=builder /usr/local/searxng/.venv/ ./.venv/
@@ -21,6 +46,8 @@ LABEL org.opencontainers.image.created="$CREATED" \
     org.opencontainers.image.url="https://searxng.org" \
     org.opencontainers.image.version="$VERSION"
 
+# Extended from:
+# https://codeberg.org/searxng/base/src/branch/main/Dockerfile
 ENV __SEARXNG_VERSION="$VERSION" \
     __SEARXNG_SETTINGS_PATH="$__SEARXNG_CONFIG_PATH/settings.yml" \
     GRANIAN_PROCESS_NAME="searxng" \
@@ -32,7 +59,6 @@ ENV __SEARXNG_VERSION="$VERSION" \
     GRANIAN_WORKERS_KILL_TIMEOUT="30s" \
     GRANIAN_BLOCKING_THREADS_IDLE_TIMEOUT="5m"
 
-# "*_PATH" ENVs are defined in base images
 VOLUME $__SEARXNG_CONFIG_PATH
 VOLUME $__SEARXNG_DATA_PATH
 

container/builder.dockerfile

@@ -1,25 +0,0 @@
-FROM docker.io/searxng/base:searxng-builder AS builder
-
-COPY ./requirements.txt ./requirements-server.txt ./
-
-ENV UV_NO_MANAGED_PYTHON="true"
-
-RUN --mount=type=cache,id=uv,target=/root/.cache/uv set -eux -o pipefail; \
-    uv venv; \
-    uv pip install --requirements ./requirements.txt --requirements ./requirements-server.txt; \
-    uv cache prune --ci; \
-    find ./.venv/lib/ -type f -exec strip --strip-unneeded {} + || true; \
-    find ./.venv/lib/ -type d -name "__pycache__" -exec rm -rf {} +; \
-    find ./.venv/lib/ -type f -name "*.pyc" -delete; \
-    python -m compileall -q -f -j 0 --invalidation-mode=unchecked-hash ./.venv/lib/
-
-COPY --exclude=./searx/version_frozen.py ./searx/ ./searx/
-
-RUN set -eux -o pipefail; \
-    python -m compileall -q -f -j 0 --invalidation-mode=unchecked-hash ./searx/; \
-    find ./searx/static/ -type f \
-    \( -name "*.html" -o -name "*.css" -o -name "*.js" -o -name "*.svg" \) \
-    -exec gzip -9 -k {} + \
-    -exec brotli -9 -k {} + \
-    -exec gzip --test {}.gz + \
-    -exec brotli --test {}.br +

docs/admin/installation-docker.rst

@@ -283,12 +283,12 @@ container images are not officially supported):
    $ make container
 
    $ docker images
-   REPOSITORY                 TAG                  IMAGE ID  SIZE
-   localhost/searxng/searxng  2026.6.19-93f66bfb4  ...       265 MB
-   localhost/searxng/searxng  latest               ...       265 MB
-   localhost/searxng/searxng  builder              ...       687 MB
-   docker.io/searxng/base     searxng-builder      ...       565 MB
-   docker.io/searxng/base     searxng              ...       143 MB
+   REPOSITORY                 TAG              IMAGE ID  SIZE
+   localhost/searxng/searxng  latest           ...       271 MB
+   localhost/searxng/searxng  2026.10.17-*     ...       271 MB
+   <none>                     <none>           ...       677 MB
+   docker.io/searxng/base     searxng          ...       144 MB
+   docker.io/searxng/base     searxng-builder  ...       550 MB
 
 Migrate from ``searxng-docker``
 ===============================

utils/lib_sxng_container.sh

@@ -126,11 +126,9 @@ container.build() {
         info_msg "Set \$GIT_URL: $GIT_URL"
 
         if [ "$container_engine" = "podman" ]; then
-            params_build_builder="build --format=oci --layers --platform=$platform --identity-label=false"
             params_build="build --format=oci --layers --platform=$platform --identity-label=false"
         else
-            params_build_builder="build --platform=$platform"
-            params_build=$params_build_builder
+            params_build="build --platform=$platform"
         fi
 
         local_tag_arch="localhost/searxng/searxng:$DOCKER_TAG-$arch$variant"
@@ -140,20 +138,13 @@ container.build() {
             params_build+=" --tag=localhost/searxng/searxng:$DOCKER_TAG"
         fi
 
-        # shellcheck disable=SC2086
-        "$container_engine" $params_build_builder \
-            --tag="localhost/searxng/searxng:builder" \
-            --file="./container/builder.dockerfile" \
-            .
-        build_msg CONTAINER "Image \"builder\" built"
-
         # shellcheck disable=SC2086
         "$container_engine" $params_build \
             --build-arg="CREATED=$(date -u +%Y-%m-%dT%H:%M:%SZ)" \
             --build-arg="VERSION=$DOCKER_TAG" \
             --build-arg="VCS_URL=$GIT_URL" \
             --build-arg="VCS_REVISION=$(git rev-parse HEAD)" \
-            --file="./container/dist.dockerfile" \
+            --file="./container/Dockerfile" \
             .
         build_msg CONTAINER "Image built"