Optimize Dockerfile and fix environment variables in workflow

Co-authored-by: JackJPowell <7500683+JackJPowell@users.noreply.github.com>

Author: Copilot

.github/workflows/build-release.yml

@@ -119,10 +119,10 @@ jobs:
 
             ```bash
             # Pull the specific version
-            docker pull ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ needs.build.outputs.version }}
+            docker pull ghcr.io/${{ github.repository }}:${{ needs.build.outputs.version }}
             
             # Pull the latest version  
-            docker pull ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:latest
+            docker pull ghcr.io/${{ github.repository }}:latest
             ```
 
             ## Installation

Dockerfile

@@ -1,23 +1,18 @@
 # Dockerfile for Unfolded Circle Home Assistant Custom Component
 FROM homeassistant/home-assistant:stable
 
-# Set working directory
-WORKDIR /config/custom_components
+# Create custom_components directory
+RUN mkdir -p /config/custom_components
 
 # Copy the custom component
 COPY custom_components/unfoldedcircle /config/custom_components/unfoldedcircle
 
-# Install additional requirements if any
-RUN pip install --no-cache-dir \
-    "websockets>=15.0,<16.0" \
-    "pyUnfoldedCircleRemote==0.14.6" \
-    "wakeonlan==3.1.0"
-
 # Set proper permissions
 RUN chown -R 1000:1000 /config/custom_components/unfoldedcircle
 
 # Expose Home Assistant port
 EXPOSE 8123
 
 # Use the default Home Assistant entrypoint
+# Dependencies will be installed automatically by Home Assistant when the component loads
 CMD ["python", "-m", "homeassistant", "--config", "/config"]