Move code from image to volume

Created execution script for the container image and moved code
copy from Dockerfile to volume in compose.

Now code changes don't require image rebuild.

Dockerfile

@@ -4,7 +4,7 @@ RUN apk add --no-cache \
     py3-yaml \
     graphviz
 
-WORKDIR /code
-COPY code/ .
+COPY run.sh /run.sh
+RUN chmod +x /run.sh
 
-CMD ["python3", "puudot.py"]
+CMD ["/run.sh"]

docker-compose.yml

@@ -6,5 +6,6 @@ services:
       dockerfile: Dockerfile
     image: puudot:latest
     volumes:
+      - ./code:/code
       - ./data:/data
       - ./config.yaml:/config.yaml

run.sh

@@ -0,0 +1,10 @@
+#!/bin/sh
+
+# Check if puudot.py exists
+if [ ! -f "/code/puudot.py" ]; then
+    echo "Error: puudot.py not found in /code directory!"
+    exit 1
+fi
+
+# Run the script
+python3 /code/puudot.py