[docker] multiarch support: linux/amd64,linux/arm64,linux/arm/v7

make docker.buildx : build and push multiarch build.
(it can't be only build)

use buildx with the --cache-from and --cache-to options to cache the layers
(only the last built is cached)

5 files changed, 34 insertions, 19 deletions

diff --git a/.github/workflows/integration.yml b/.github/workflows/integration.yml
index 0068c396..914ce163 100644
--- a/.github/workflows/integration.yml
+++ b/.github/workflows/integration.yml
@@ -121,4 +121,4 @@ jobs:
           password: ${{ secrets.DOCKERHUB_TOKEN }}
       - name: Build and push
         if: env.DOCKERHUB_USERNAME != null
-        run: make -e GIT_URL=$(git remote get-url origin) docker.push
+        run: make -e GIT_URL=$(git remote get-url origin) docker.buildx
diff --git a/Dockerfile b/Dockerfile
index 3fbf62f3..477cdb1e 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -73,18 +73,18 @@ ARG GIT_URL=unknown
 ARG SEARX_GIT_VERSION=unknown
 ARG LABEL_VCS_REF=
 ARG LABEL_VCS_URL=
-LABEL maintainer="searx <${GIT_URL}>" \
+LABEL maintainer="searxng <${GIT_URL}>" \
       description="A privacy-respecting, hackable metasearch engine." \
       version="${SEARX_GIT_VERSION}" \
       org.label-schema.schema-version="1.0" \
-      org.label-schema.name="searx" \
+      org.label-schema.name="searxng" \
       org.label-schema.version="${SEARX_GIT_VERSION}" \
       org.label-schema.url="${LABEL_VCS_URL}" \
       org.label-schema.vcs-ref=${LABEL_VCS_REF} \
       org.label-schema.vcs-url=${LABEL_VCS_URL} \
       org.label-schema.build-date="${LABEL_DATE}" \
       org.label-schema.usage="https://github.com/searx/searx-docker" \
-      org.opencontainers.image.title="searx" \
+      org.opencontainers.image.title="searxng" \
       org.opencontainers.image.version="${SEARX_GIT_VERSION}" \
       org.opencontainers.image.url="${LABEL_VCS_URL}" \
       org.opencontainers.image.revision=${LABEL_VCS_REF} \
diff --git a/Makefile b/Makefile
index 66008d33..2d760c49 100644
--- a/Makefile
+++ b/Makefile
@@ -73,7 +73,7 @@ MANAGE += buildenv
 MANAGE += babel.compile
 MANAGE += data.all data.languages data.useragents
 MANAGE += docs.html docs.live docs.gh-pages docs.prebuild docs.clean
-MANAGE += docker.build docker.push
+MANAGE += docker.build docker.push docker.buildx
 MANAGE += gecko.driver
 MANAGE += node.env node.clean
 MANAGE += py.build py.clean
diff --git a/docs/admin/installation-docker.rst b/docs/admin/installation-docker.rst
index 13d21bc4..120c9cb0 100644
--- a/docs/admin/installation-docker.rst
+++ b/docs/admin/installation-docker.rst
@@ -11,19 +11,19 @@ Docker installation
 
 ----
 
-Docker image searx/searx
-========================
+Docker image searxng/searxng
+============================
 
 
-The docker image is `searx/searx <https://hub.docker.com/r/searx/searx>`_ (based on `github.com/searx/searx <https://github.com/searx/searx>`_).
+The docker image is `searxng/searxng <https://hub.docker.com/r/searxng/searxng>`_ (based on `github.com/searxng/searxng <https://github.com/searxng/searxng>`_).
 
 Make sure you have `installed Docker <https://docs.docker.com/get-docker/>`_.  For instance, you can deploy a local instance:
 
 .. code:: sh
 
     export PORT=80
-    docker pull searx/searx
-    docker run --rm -d -v ${PWD}/searx:/etc/searx -p $PORT:8080 -e BASE_URL=http://localhost:$PORT/ searx/searx
+    docker pull searxng/searxng
+    docker run --rm -d -v ${PWD}/searx:/etc/searx -p $PORT:8080 -e BASE_URL=http://localhost:$PORT/ searxng/searxng
 
 Go to ``http://localhost:$PORT``.
 
@@ -37,7 +37,7 @@ Command line
 
 .. code:: sh
 
-    docker run --rm -it searx/searx -h
+    docker run --rm -it searxng/searxng -h
 
 .. program-output:: ../dockerfiles/docker-entrypoint.sh help
 
@@ -45,11 +45,11 @@ Command line
 Build the image
 ---------------
 
-It's also possible to build searx from the embedded Dockerfile.
+It's also possible to build SearXNG from the embedded Dockerfile.
 
 .. code:: sh
 
-   git clone https://github.com/searx/searx.git
+   git clone https://github.com/searxng/searxng.git
    cd searx
    make docker.build
 
diff --git a/manage b/manage
index 3ff1a6f8..3282cc64 100755
--- a/manage
+++ b/manage
@@ -152,6 +152,10 @@ docker.push() {
     docker.build push
 }
 
+docker.buildx() {
+    docker.build buildx
+}
+
 # shellcheck disable=SC2119
 docker.build() {
     pyenv.install
@@ -210,23 +214,34 @@ docker.build() {
         GITHUB_USER=$(echo "${GIT_URL}" | sed 's/.*github\.com\/\([^\/]*\).*/\1/')
         SEARX_IMAGE_NAME="${SEARX_IMAGE_NAME:-${GITHUB_USER:-searxng}/searxng}"
 
+        BUILD="build"
+        if [ "$1" = "buildx" ]; then
+            # buildx includes the push option
+            CACHE_TAG="${SEARX_IMAGE_NAME}:latest-build-cache"
+            BUILD="buildx build --platform linux/amd64,linux/arm64,linux/arm/v7 --push --cache-from=type=registry,ref=$CACHE_TAG --cache-to=type=registry,ref=$CACHE_TAG,mode=max"
+            shift
+        fi
+        build_msg DOCKER "Build command: ${BUILD}"
+
         # build Docker image
         build_msg DOCKER "Building image ${SEARX_IMAGE_NAME}:${SEARX_GIT_VERSION}"
-        sudo docker build \
+        # shellcheck disable=SC2086
+        docker $BUILD \
+         --build-arg BASE_IMAGE="${DEPENDENCIES_IMAGE_NAME}" \
          --build-arg GIT_URL="${GIT_URL}" \
          --build-arg SEARX_GIT_VERSION="${SEARX_GIT_VERSION}" \
          --build-arg VERSION_GITCOMMIT="${VERSION_GITCOMMIT}" \
          --build-arg LABEL_DATE="$(date -u +"%Y-%m-%dT%H:%M:%SZ")" \
          --build-arg LABEL_VCS_REF="$(git rev-parse HEAD)" \
          --build-arg LABEL_VCS_URL="${GIT_URL}" \
-	 --build-arg TIMESTAMP_SETTINGS="$(git log -1 --format="%cd" --date=unix -- searx/settings.yml)" \
-	 --build-arg TIMESTAMP_UWSGI="$(git log -1 --format="%cd" --date=unix -- dockerfiles/uwsgi.ini)" \
+         --build-arg TIMESTAMP_SETTINGS="$(git log -1 --format="%cd" --date=unix -- searx/settings.yml)" \
+         --build-arg TIMESTAMP_UWSGI="$(git log -1 --format="%cd" --date=unix -- dockerfiles/uwsgi.ini)" \
          -t "${SEARX_IMAGE_NAME}:latest" -t "${SEARX_IMAGE_NAME}:${SEARX_GIT_VERSION}" .
 
         if [ "$1" = "push" ]; then
-	    sudo docker push "${SEARX_IMAGE_NAME}:latest"
-	    sudo docker push "${SEARX_IMAGE_NAME}:${SEARX_GIT_VERSION}"
-        fi
+	        docker push "${SEARX_IMAGE_NAME}:latest"
+	        docker push "${SEARX_IMAGE_NAME}:${SEARX_GIT_VERSION}"
+	    fi
     )
     dump_return $?
 }