Adding DRAWIO_SERVER_URL new variable

image-export/docker-compose.yml

@@ -9,7 +9,7 @@ services:
     volumes:
       - ./fonts:/usr/share/fonts/drawio
     environment:
-      - DRAWIO_SERVER_URL=${DRAWIO_BASE_URL}
+      - DRAWIO_BASE_URL=${DRAWIO_BASE_URL}
   drawio:
     image: jgraph/drawio
     ports:
@@ -22,5 +22,6 @@ services:
     environment:
       - EXPORT_URL=http://image-export:8000/
       - DRAWIO_BASE_URL=${DRAWIO_BASE_URL}
+      - DRAWIO_SERVER_URL=${DRAWIO_SERVER_URL}
 networks:
   drawionet:

main/docker-entrypoint.sh

@@ -29,8 +29,15 @@ if [[ "${DRAWIO_SELF_CONTAINED}" ]]; then
 elif [[ "${EXPORT_URL}" ]]; then
     echo "window.EXPORT_URL = '/service/0';" >> $CATALINA_HOME/webapps/draw/js/PreConfig.js
 fi
-#DRAWIO_BASE_URL is path to base of deployment, e.g. https://www.example.com/folder
-echo "window.DRAWIO_BASE_URL = '${DRAWIO_BASE_URL:-http://localhost:8080}';" >> $CATALINA_HOME/webapps/draw/js/PreConfig.js
+#DRAWIO_SERVER_URL is the new URL of the deployment, e.g. https://www.example.com/drawio
+#DRAWIO_BASE_URL is still used by viewer, lightbox and embed. For backwards compatibility, DRAWIO_SERVER_URL is set to DRAWIO_BASE_URL if not specified.
+if [[ "${DRAWIO_SERVER_URL}" ]]; then
+    echo "window.DRAWIO_SERVER_URL = '${DRAWIO_SERVER_URL}';" >> $CATALINA_HOME/webapps/draw/js/PreConfig.js
+    echo "window.DRAWIO_BASE_URL = '${DRAWIO_BASE_URL:-${DRAWIO_SERVER_URL}}';" >> $CATALINA_HOME/webapps/draw/js/PreConfig.js
+else
+    echo "window.DRAWIO_BASE_URL = '${DRAWIO_BASE_URL:-http://localhost:8080}';" >> $CATALINA_HOME/webapps/draw/js/PreConfig.js
+    echo "window.DRAWIO_SERVER_URL = window.DRAWIO_BASE_URL;" >> $CATALINA_HOME/webapps/draw/js/PreConfig.js
+fi
 #DRAWIO_VIEWER_URL is path to the viewer js, e.g. https://www.example.com/js/viewer.min.js
 echo "window.DRAWIO_VIEWER_URL = '${DRAWIO_VIEWER_URL}';" >> $CATALINA_HOME/webapps/draw/js/PreConfig.js
 #DRAWIO_LIGHTBOX_URL Replace with your lightbox URL, eg. https://www.example.com

self-contained/README.md

@@ -10,7 +10,8 @@ The best option for Windows users is to copy the contents of `Windowsdrive:/Wind
 
 You can customize the application by setting the following environment variables.
 
-* `DRAWIO_BASE_URL`: Your deployment base URL. For example, `https://drawio.example.com` or `https://www.example.com/drawio` if it is deployed into a folder.
+* `DRAWIO_SERVER_URL`: Your deployment base URL. For example, `https://drawio.example.com` or `https://www.example.com/drawio` if it is deployed into a folder.
+* `DRAWIO_BASE_URL`: Your deployment base URL but used with the viewer, lightbox and embed. Usually the same as `DRAWIO_SERVER_URL`.
 * `DRAWIO_CSP_HEADER`: (Optional) Your website Content-Security-Policy if you want to customize it.
 * `DRAWIO_VIEWER_URL`: (Optional) If you want to host a draw.io viewer also, set the viewer URL. For example, `https://drawio.example.com/js/viewer.min.js`
 * `DRAWIO_LIGHTBOX_URL`: (Optional) If you want to host a draw.io viewer also, set the lightbox URL. For example, `https://drawio.example.com` 

self-contained/docker-compose.yml

@@ -17,7 +17,7 @@ services:
     volumes:
       - fonts_volume:/usr/share/fonts/drawio
     environment:
-      - DRAWIO_SERVER_URL=${DRAWIO_BASE_URL}
+      - DRAWIO_BASE_URL=${DRAWIO_BASE_URL}
   drawio:
     image: jgraph/drawio
     ports:
@@ -36,6 +36,7 @@ services:
       - PLANTUML_URL=http://plantuml-server:8080/
       - EXPORT_URL=http://image-export:8000/
       - DRAWIO_BASE_URL=${DRAWIO_BASE_URL}
+      - DRAWIO_SERVER_URL=${DRAWIO_SERVER_URL}
       - DRAWIO_CSP_HEADER=${DRAWIO_CSP_HEADER}
       - DRAWIO_VIEWER_URL=${DRAWIO_VIEWER_URL}
       - DRAWIO_LIGHTBOX_URL=${DRAWIO_LIGHTBOX_URL}