Implemented new filter for image logic in docker-compose.yml.j2 und env.j2 files

filter_plugins/docker_image.py

@@ -0,0 +1,20 @@
+# filter_plugins/docker_image.py
+
+def get_docker_image(applications, application_id, image_key):
+    app = applications.get(application_id, {})
+    docker = app.get("docker", {})
+    images = docker.get("images", {})
+    versions = docker.get("versions", {})
+    version = versions.get(image_key) or app.get("version")
+    image = images.get(image_key)
+
+    if not image or not version:
+        raise ValueError(f"Missing image or version for {application_id}:{image_key}")
+    
+    return f"{image}:{version}"
+
+class FilterModule(object):
+    def filters(self):
+        return {
+            'get_docker_image': get_docker_image,
+        }