fixed a bunch of variables and modified the Gitea compose a lot

Draw.io/.env.example

@@ -1,5 +1,8 @@
+# Docker image tag for jgraph/drawio (e.g. "24.0.0" or "latest"); defaults to latest if unset
+DRAWIO_VERSION="latest"
+
 # Main interface port for accessing the application
-DRAWIO_PORT="8000"
+DRAWIO_PORT="8080"
 
 # Enable local PDF/image export without relying on an external service
 # Set to 1 to enable, 0 or omit to disable

Draw.io/docker-compose.yaml

@@ -1,9 +1,9 @@
 services:
   app:
-    image: jgraph/drawio:latest
+    image: jgraph/drawio:${DRAWIO_VERSION:-latest}
     container_name: drawio
     ports:
-      - ${DRAWIO_PORT}:8080
+      - ${DRAWIO_PORT:-8080}:8080
     environment:
       - DRAWIO_SELF_CONTAINED=${DRAWIO_SELF_CONTAINED:-0}
     healthcheck: