diff --git a/.github/workflows/docker-publish.yml b/.github/workflows/docker-publish.yml
new file mode 100644
index 0000000..772f455
--- /dev/null
+++ b/.github/workflows/docker-publish.yml
@@ -0,0 +1,104 @@
+name: Docker
+
+# This workflow uses actions that are not certified by GitHub.
+# They are provided by a third-party and are governed by
+# separate terms of service, privacy policy, and support
+# documentation.
+
+on:
+  push:
+    branches: [ "master" , "develop" , "patch-*" ]
+    # Publish semver tags as releases.
+    tags: [ 'v*.*.*' ]
+  pull_request:
+    branches: [ "master", "develop" , "patch-*" ]
+
+env:
+  # Use docker.io for Docker Hub if empty
+  # REGISTRY: ghcr.io
+  REGISTRY: docker.io
+  # github.repository as <account>/<repo>
+  IMAGE_NAME: ${{ github.repository }}
+
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+      # This is used to complete the identity challenge
+      # with sigstore/fulcio when running outside of PRs.
+      id-token: write
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v3
+
+      # Install the cosign tool except on PR
+      # https://github.com/sigstore/cosign-installer
+      - name: Install cosign
+        if: github.event_name != 'pull_request'
+        uses: sigstore/cosign-installer@7e0881f8fe90b25e305bbf0309761e9314607e25
+        with:
+          cosign-release: 'v1.9.0'
+          
+      # You may pin to the exact commit or the version.
+      # uses: docker/setup-qemu-action@8b122486cedac8393e77aa9734c3528886e4a1a8
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v2
+        
+      # Workaround: https://github.com/docker/build-push-action/issues/461
+      - name: Setup Docker buildx
+        uses: docker/setup-buildx-action@79abd3f86f79a9d68a23c75a09a9a85889262adf
+
+      # Login against a Docker registry except on PR
+      # https://github.com/docker/login-action
+      - name: Log into registry ${{ env.REGISTRY }}
+        if: github.event_name != 'pull_request'
+        uses: docker/login-action@28218f9b04b4f3f62068d7b6ce6ca5b26e35336c
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.REGISTRY_TOKEN }}
+
+      # Extract metadata (tags, labels) for Docker
+      # https://github.com/docker/metadata-action
+      - name: Extract Docker metadata
+        id: meta
+        uses: docker/metadata-action@98669ae865ea3cffbcbaa878cf57c20bbf1c6c38
+        with:
+          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+          tags: |
+            type=ref,event=branch
+            type=ref,event=pr
+            type=semver,pattern={{version}}
+            type=semver,pattern={{major}}.{{minor}}
+            type=raw,value=latest,enable=${{ github.ref == format('refs/heads/{0}', 'master') }}
+            
+      # Build and push Docker image with Buildx (don't push on PR)
+      # https://github.com/docker/build-push-action
+      - name: Build and push Docker image
+        id: build-and-push
+        uses: docker/build-push-action@ac9327eae2b366085ac7f6a2d02df8aa8ead720a
+        with:
+          context: .
+          push: ${{ github.event_name != 'pull_request' }}
+          platforms: linux/amd64,linux/arm64,linux/ppc64le,linux/s390x,linux/386,linux/mips64le,linux/arm/v7,linux/arm/v5
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
+          cache-from: type=registry,ref=${{ env.IMAGE_NAME }}:buildcache
+          cache-to: type=registry,ref=${{ env.IMAGE_NAME }}:buildcache,mode=max
+      # Sign the resulting Docker image digest except on PRs.
+      # This will only write to the public Rekor transparency log when the Docker
+      # repository is public to avoid leaking data.  If you would like to publish
+      # transparency data even for private images, pass --force to cosign below.
+      # https://github.com/sigstore/cosign
+      - name: Sign the published Docker image
+        if: ${{ github.event_name != 'pull_request' }}
+        env:
+          COSIGN_EXPERIMENTAL: "true"
+        # This step uses the identity token to provision an ephemeral certificate
+        # against the sigstore community Fulcio instance.
+        run: echo "${{ steps.meta.outputs.tags }}" | xargs -I {} cosign sign {}@${{ steps.build-and-push.outputs.digest }}
diff --git a/.vscode/settings.json b/.vscode/settings.json
new file mode 100644
index 0000000..7fcb16a
--- /dev/null
+++ b/.vscode/settings.json
@@ -0,0 +1,8 @@
+{
+    "markdownlint.config": {
+        "default": true,
+        "MD033": {
+            "allowed_elements": ["kbd"]
+        }
+    }
+}
diff --git a/Dockerfile b/Dockerfile
index 197c110..c11caef 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,5 @@
-FROM nginx:1.23
+FROM nginx:latest
+
 LABEL maintainer "fraoustin@gmail.com"
 
 COPY ./src/default.conf /etc/nginx/conf.d/default.conf
@@ -9,7 +10,8 @@ RUN chmod +x /entrypoint.sh
 ENV SET_CONTAINER_TIMEZONE false 
 ENV CONTAINER_TIMEZONE "" 
 
-RUN apt-get update && apt-get install -y \
+RUN apt-get update \
+        && apt-get install -y \
         apache2-utils \
         fcgiwrap \
         git \
@@ -19,7 +21,8 @@ RUN apt-get update && apt-get install -y \
         libcgi-pm-perl \
         mime-support \
         spawn-fcgi \
-    && rm -rf /var/lib/apt/lists/* 
+    && apt-get autoclean \
+    && rm -rf /var/lib/apt/lists/*
 
 # manage user load fcgiwrap
 RUN sed -i "s/www-data/nginx/g" /etc/init.d/fcgiwrap
@@ -43,6 +46,7 @@ RUN chmod +x /usr/bin/rmauth
 # manage default value
 ENV GITUSER gituser
 ENV GITPASSWORD gitpassword
+ENV GITHIGHLIGHT 0
 
 # add ihm mdl
 ENV IHM no-mdl
@@ -50,9 +54,23 @@ COPY ./src/ihm /mdl-ihm
 RUN cp /usr/share/gitweb/static/gitweb.css /usr/share/gitweb/static/gitweb.css.original
 RUN mkdir /usr/share/gitweb/ihm
 
-VOLUME /var/lib/git
-WORKDIR /var/lib/git
+# force push to upstream
+WORKDIR /opt/gitweb/
+COPY ./src/hooks/post-receive /opt/gitweb/post-receive
+RUN chmod +x /opt/gitweb/post-receive
+ENV FORCEPUSH ""
+
+# Setting base url via Docker
+ENV URLPATH /
+
+VOLUME /opt/gitweb/remote/
+
+VOLUME /var/lib/git/
+
+WORKDIR /var/lib/git/
+
 EXPOSE 80
 
 ENTRYPOINT ["/entrypoint.sh"]
+
 CMD ["app"]
diff --git a/README.md b/README.md
index 4bf9dbc..7ad56f4 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # Docker Image for gitweb
 
-generate a nginx server with git server and gitweb for ihm on http://127.0.0.1/
+generate a nginx server with git server and gitweb for ihm on <http://127.0.0.1/>
 
 load when start image load file in
 
@@ -14,11 +14,14 @@ load when start image load file in
 - GITPROJECT
 - GITUSER (default gituser)
 - GITPASSWORD (default gitpassword)
+- GITHIGHLIGHT (default `0`)
 - IHM (default "")
+- FORCEPUSH ("" or every not blank string) manage force push to upstream when Downstream branch push
 
 ## Volume
 
-- /var/lib/git
+- git project: */var/lib/git/*
+- git remove add: */opt/gitweb/remote/*
 
 ## Port
 
@@ -35,29 +38,117 @@ load when start image load file in
 
 run image fraoustin/gitweb
 
-    docker run -d -e "CONTAINER_TIMEZONE=Europe/Paris" -e "GITPROJECT=test" -v <localpath>:/var/lib/git --name test -p 80:80 fraoustin/gitweb
+```bash
+    docker run -d -e "CONTAINER_TIMEZONE=Europe/Paris" -e "GITPROJECT=test" \
+        -v <localpath>:/var/lib/git --name test -p 80:80 fraoustin/gitweb
+```
+
+> use <kbd>^</kbd> for *CMD* OR <kbd>`</kbd> for *Powershell*
 
 user default is gituser and password default is gitpassword
 
-you use http://localhost/ for access gitweb
+- You can change user and password by variable environment
+
+you use <http://localhost/> for access gitweb
+
+you can add remote
+
+```bash
+    git remote add origin http://gituser:gitpassword@localhost/test.git
+```
+
+you can push project
+
+when fist push
+
+```bash
+    git push --set-upstream origin master
+```
+
+other branch
+
+```bash
+    git branch --set-upstream-to=<remote>/<branch> <branch>
+
+eg:
+    git branch --set-upstream-to=gitweb/main main
+```
+
+every next time push
+
+```bash
+    git push
+```
+
+or manual push
+
+```bash
+    git push origin # remote name
+```
 
 you can clone project
 
+```bash
     git clone http://gituser:gitpassword@localhost/test.git
+```
+
+you can pull project when upstream update
 
-You can change user and password by variable environment
+```bash
+    git pull
+```
 
+more use see:
+
+- <https://git-scm.com/doc>
+- <https://www.runoob.com/git/git-tutorial.html>
+
+## Add upstream and push
+
+creat *remotes.txt*  
+eg:
+
+```text
+gitweb-test1       https://gituser:gitpassword@gitweb-test1
+gitweb-test2       https://gituser:gitpassword@gitweb-test2
+gitweb-test3       https://gituser:gitpassword@gitweb-test3
+```
+
+run image fraoustin/gitweb
+
+```bash
+    docker run -d -e "CONTAINER_TIMEZONE=Europe/Paris" -e "GITPROJECT=test" \
+        -e FORCEPUSH='not_blank_string' \
+        -v <localpath>:/var/lib/git/ \
+        -v </path/to/remote/>:/opt/gitweb/remote/ \
+        --name test -p 80:80 fraoustin/gitweb
+```
+
+if don't want force push, **DO NOT** set environment: FORCEPUSH
+
+- when run `addrepos ${project}` ,
+  - will add hook: `hooks/post-receive`
+  - will add remote each: `add remote gitweb-test1 https://gituser:gitpassword@gitweb-test1/${project}.git` ...
+- when downstream push
+  - gitweb will push to upstreams each: `git push [-f] --all gitweb-test1` ...
+
+## Setting base url via Docker environment
+
+use environment *URLPATH* to set base url
 
 ## Usage by Dockerfile
 
 Sample of Dockerfile
 
+```Dockerfile
     FROM fraoustin/gitweb
     COPY ./00_init.sh /usr/share/gitweb/docker-entrypoint.pre/00_init.sh
     RUN chmod +x -R /usr/share/gitweb/docker-entrypoint.pre
+```
 
 File 00_init.sh
 
+```bash
     #!/bin/bash
     REPOS='/var/lib/git/test.git'
     if [ ! -d $REPOS ]; then
@@ -67,17 +158,20 @@ File 00_init.sh
         chgrp -R nginx .
     fi
     addauth $GITUSER $GITPASSWORD
+```
 
 build image mygit
 
+```bash
     docker build -t mygit .
+```
 
 run image mygit
 
-    docker run -d -e "CONTAINER_TIMEZONE=Europe/Paris" -e "GITUSER=gituser" -e "GITPASSWORD=gitpassword" -v <localpath>:/var/lib/git --name test -p 80:80 mygit
-
-
-
+```bash
+    docker run -d -e "CONTAINER_TIMEZONE=Europe/Paris" -e "GITUSER=gituser" -e "GITPASSWORD=gitpassword" \
+        -v <localpath>:/var/lib/git --name test -p 80:80 mygit
+```
 
 ## IHM material design
 
@@ -85,5 +179,6 @@ If you want use a new design for ihm, you can use IHM variable
 
 - IHM = mdl
 
+```bash
     docker run -d -e "CONTAINER_TIMEZONE=Europe/Paris" -e "IHM=mdl" -e "GITPROJECT=test" -v <localpath>:/var/lib/git --name test -p 80:80 fraoustin/gitweb
-
+```
diff --git a/docker-compose.yaml b/docker-compose.yaml
new file mode 100644
index 0000000..c3a3845
--- /dev/null
+++ b/docker-compose.yaml
@@ -0,0 +1,28 @@
+version: "3"
+
+volumes:
+    gitweb:
+
+
+services:
+    gitweb:
+        image: fraoustin/gitweb
+        container_name: gitweb
+        hostname: gitweb-test
+        # build:
+        #     context: https://github.com/fraoustin/gitweb.git
+        #     dockerfile: Dockerfile
+        environment:
+            - CONTAINER_TIMEZONE=Europe/Paris
+            - GITUSER=gituser
+            - GITPASSWORD=gitpassword
+            - GITPROJECT=test
+            - FORCEPUSH=""
+            - URLPATH=/
+            - GITHIGHLIGHT=1
+        ports:
+            - 80:80
+        restart: always
+        volumes:
+            - gitweb:/var/lib/git/
+            - /path/to/remote/:/opt/gitweb/remote/
diff --git a/src/00_init.sh b/src/00_init.sh
index d06a38a..4cc41e0 100755
--- a/src/00_init.sh
+++ b/src/00_init.sh
@@ -4,8 +4,6 @@ if [ ! -z "$GITPROJECT" ]; then
     if [ ! -d $REPOS ]; then
         addrepos $GITPROJECT
         cd $REPOS
-        chmod -R g+ws .
-        chgrp -R nginx .
     fi
 fi
 if [ ! -z "$GITUSER" ]; then
diff --git a/src/cmd/addrepos.sh b/src/cmd/addrepos.sh
index 976bec8..ea4e9da 100644
--- a/src/cmd/addrepos.sh
+++ b/src/cmd/addrepos.sh
@@ -1,25 +1,47 @@
 #!/bin/bash
+
 DIR="/var/lib/git/"
- 
+
+log_run(){
+    echo -e "$@"
+    eval $@
+}
+
 error(){ 
-    	echo "ERROR : parameters invalid !" >&2 
-    	exit 1 
+        echo "ERROR : parameters invalid !" >&2 
+        exit 1 
 } 
 
 usage(){ 
-    	echo "Usage: addrepos NameOfRepository" 
-    	echo "--help or -h : view help" 
+        echo "Usage: addrepos NameOfRepository" 
+        echo "--help or -h : view help" 
 } 
 
 load(){
-	REPOS=$DIR$1.git
-	if [ ! -d $REPOS ]; then
-  		mkdir $REPOS
-		cd $REPOS
-		git init --bare
-		echo "$1" > description
-		chmod -R 777 $REPOS
-	fi
+    REPOS=$DIR$1.git
+    if [ ! -d $REPOS ]; then
+        mkdir $REPOS
+        cd $REPOS
+        git init --bare
+        echo "$1" > description
+        chmod -R g+ws .
+        chgrp -R nginx .
+        if [ ! -f /opt/gitweb/remote/remotes.txt ]; then
+            exit 0
+        fi
+        log_run cp /opt/gitweb/post-receive $REPOS/hooks/post-receive
+        log_run chgrp nginx $REPOS/hooks/post-receive
+        log_run chmod 0755 $REPOS/hooks/post-receive
+        log_run chmod g+ws $REPOS/hooks/post-receive
+        while read line
+        do
+            if [ -z "${line}" ];then
+                continue
+            fi
+            # eg: git remote add gitweb-test1 https://gituser:gitpassword@gitweb-test1/test.git
+            log_run git remote add ${line}/$(basename $(pwd))
+        done < /opt/gitweb/remote/remotes.txt
+    fi
 }
 
 # no parameters
@@ -29,12 +51,12 @@ case "$1" in
         --help)
             usage
             ;;
-         
+        
         -h)
             usage
             ;;
-         
+        
         *)
             load $1
- 
+
 esac
diff --git a/src/entrypoint.sh b/src/entrypoint.sh
index 07a910a..dae2d20 100644
--- a/src/entrypoint.sh
+++ b/src/entrypoint.sh
@@ -29,7 +29,17 @@ if [ "$1" = 'app' ]; then
         echo '$site_footer="ihm/footer.html";' >> /etc/gitweb.conf
         cat /usr/share/gitweb/ihm/headstring.conf >> /etc/gitweb.conf
         cp /usr/share/gitweb/ihm/gitweb.css /usr/share/gitweb/static/gitweb.css
-    fi  
+    fi
+    if [ "$GITHIGHLIGHT" = "1" ]; then
+        echo '' >> /etc/gitweb.conf
+        echo '# enable syntax highlighting' >> /etc/gitweb.conf
+        echo "\$feature{'highlight'}{'default'} = [1];" >> /etc/gitweb.conf
+    fi
+    if [ -n "${URLPATH}" ]; then
+         sed -n '10p' /etc/nginx/conf.d/default.conf
+         sed -i "10s|.*|     location ${URLPATH} {|" /etc/nginx/conf.d/default.conf
+         sed -n '10p' /etc/nginx/conf.d/default.conf
+    fi
     service fcgiwrap start
     nginx -g "daemon off;"
     /bin/run-parts --verbose --regex '\.(sh)$' "/usr/share/gitweb/docker-entrypoint.post"
diff --git a/src/hooks/post-receive b/src/hooks/post-receive
new file mode 100644
index 0000000..44f25eb
--- /dev/null
+++ b/src/hooks/post-receive
@@ -0,0 +1,40 @@
+#!/bin/bash
+
+log_info(){
+    echo -e "\033[32m$(date +%Y-%m-%d_%H:%M:%S) - $@\033[0m" 
+}
+log_warn(){
+    echo -e "\033[33m$(date +%Y-%m-%d_%H:%M:%S) - $@\033[0m" 
+}
+log_error(){
+    echo >&2 -e "\033[31m$(date +%Y-%m-%d_%H:%M:%S) - $@\033[0m" 
+}
+log_run(){
+    echo -e "\033[43;34m$@\033[0m"
+    eval $@
+}
+
+IS_BARE=$(git rev-parse --is-bare-repository)
+if [ -z "$IS_BARE" ]; then
+    log_error "fatal: post-receive: IS_NOT_BARE"
+    exit 1
+fi
+log_warn "========================= deploy start ========================="
+HOSTNAME="$(hostname)"
+log_warn "========================= hostname: ${HOSTNAME}"
+
+git_push(){
+    log_warn "========================= push start"
+    for remote in $(git remote)
+    do
+        log_info ${HOSTNAME} push to ${remote}
+        log_run git push ${FORCEPUSH:+ -f} --all ${remote}
+    done
+    log_warn "========================= push end"
+}
+
+
+log_info "try run : git_push"
+git_push
+
+log_warn "========================= deploy end   ========================="
diff --git a/test/remotes.txt b/test/remotes.txt
new file mode 100644
index 0000000..06b4e39
--- /dev/null
+++ b/test/remotes.txt
@@ -0,0 +1,3 @@
+gitweb-test1       https://gituser:gitpassword@gitweb-test1
+gitweb-test2       https://gituser:gitpassword@gitweb-test2
+gitweb-test3       https://gituser:gitpassword@gitweb-test3
\ No newline at end of file