Improve building special images

proxy/Tasks.yaml

@@ -8,9 +8,17 @@ tasks:
   pull:
     desc: Pull all images for {{.NAME}}
     dir: "{{.TASKFILE_DIR}}"
+    deps: [build]
     cmds:
       - docker compose pull --ignore-buildable
 
+  build:
+    desc: "Building special Caddy image with netcup support"
+    dir: "{{.TASKFILE_DIR}}"
+    dotenv: [.env]
+    cmds:
+      -  docker build --pull --file caddy/Dockerfile --build-arg CADDY_VERSION=$CADDY_VERSION --tag $DOCKER_REGISTRY/caddy:${CADDY_VERSION} .
+
   up:
     desc: Starting {{.NAME}} docker compose as daemon
     dir: "{{.TASKFILE_DIR}}"