Add compose file and a few comments

Dockerfile

@@ -10,10 +10,12 @@ echo StrictHostKeyChecking no >> /etc/ssh/ssh_config
 
 RUN --mount=type=cache,target=/root/.cache \
     --mount=type=ssh,required=true \
-    pip install .
+    pip install ./
 
 #CMD [ "python", "./your-daemon-or-script.py" ]
 
 # make sure to install sudo apt install docker-buildx
-# make sure to set IdentityFile e.g. /home/pstruebi/.ssh/id_ed25519 in ~/.ssh/config
-# build with docker build --ssh default .
+# make sure to set IdentityFile /home/pstruebi/.ssh/id_ed25519 in ~/.ssh/config -maybe not nececcary
+# example build commands:
+# docker build --ssh default .
+# docker build --ssh default=~/.ssh/id_rsa .           

docker-compose.yaml

@@ -0,0 +1,16 @@
+services:
+  app:
+    build:
+      context: .
+      dockerfile: Dockerfile
+      #ssh: ["default"]  # Enable SSH agent forwarding
+      ssh: ['default','default=~/.ssh/'] #raspi
+    volumes:
+      - /dev:/dev  # Mount /dev from host to container
+    environment:
+      - DOCKER_BUILDKIT=1  # Enable BuildKit (can also be passed during build)
+    # deploy:
+    #   resources:
+    #     reservations:
+    #       devices:
+    #         - capabilities: [all]  # Ensures the container can use /dev as needed