diff --git a/Dockerfile b/Dockerfile
index a2b7d57..a1d06ce 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -4,7 +4,7 @@ LABEL maintainer="Deokgyu Yang <secugyu@gmail.com>" \
 
 RUN apk update
 RUN apk add --no-cache \
-    bash bash-completion supervisor tzdata shadow \
+    bash bash-completion supervisor tzdata shadow git openssh-client \
     php82 php82-fpm php82-session php82-json php82-xml php82-mbstring php82-exif \
     php82-intl php82-gd php82-pecl-imagick php82-zip php82-opcache \
     ffmpeg imagemagick zip apache2-utils patch
@@ -16,6 +16,7 @@ ENV TZ='Europe/Berlin'
 ENV HTPASSWD='false'
 ENV HTPASSWD_USER='guest'
 ENV HTPASSWD_PW=''
+ENV GIT_REPO="https://code.shork.eu/shork.eu/Branding.git"
 
 # Copy configuration files
 COPY config/h5ai.conf /etc/nginx/conf.d/h5ai.conf
diff --git a/config/init.sh b/config/init.sh
index e0fee27..12ef2a5 100644
--- a/config/init.sh
+++ b/config/init.sh
@@ -75,6 +75,26 @@ msg "Set permission for caching..."
 chmod -R 777 $conf_h5ai/public/cache
 chmod -R 777 $conf_h5ai/private/cache
 
+# Clone external repository into /h5ai
+if [ -n "$GIT_REPO" ]; then
+    msg "Git repository variable detected: $GIT_REPO"
+    workdir="/tmp/cloned"
+    rm -rf "$workdir"
+    mkdir -p "$workdir"
+    if git clone "$GIT_REPO" "$workdir"; then
+        msg "Repository cloned to $workdir"
+        mkdir -p /h5ai
+        find /h5ai -mindepth 1 -maxdepth 1 -exec rm -rf {} + 2>/dev/null || true
+        cp -a "$workdir"/. /h5ai/
+        chown -R abc:abc /h5ai
+        msg "Copied cloned repository contents into /h5ai"
+    else
+        msg "Failed to clone $GIT_REPO"
+    fi
+else
+    msg "No GIT_REPO provided; skipping clone step"
+fi
+
 # If an user wants to set htpasswd
 if [ "$HTPASSWD" = "true" ]; then
     if [ ! -f "$conf_htpwd" ]; then