feat(hermes): add chromium for local browser tool

- Create custom Dockerfile extending nousresearch/hermes-agent with chromium installed
- Update compose.yml to build from local Dockerfile instead of pulling image
- Enables browser tool to work without Browserbase cloud service

ai/compose.yml

@@ -26,14 +26,13 @@ services:
       - "traefik.http.routers.webui-https.tls.certresolver=njalla"
 
   hermes:
-    image: nousresearch/hermes-agent:latest
+    build:
+      context: ./hermes
+      dockerfile: Dockerfile
     container_name: hermes
     restart: always
     # Gateway run enables the internal API server on port 8642
-    # Install openai and mautrix[encryption] for Matrix bridge with E2EE support on startup
-    # Uses uv (modern Python package manager) with --system flag for venv installation
-    entrypoint: >
-      sh -c "/opt/hermes/.venv/bin/uv pip install openai mautrix[encryption] --system -q && /opt/hermes/.venv/bin/hermes gateway run"
+    command: gateway run
     environment:
       - OLLAMA_HOST=http://ollama:11434
       - API_SERVER_ENABLED=true
@@ -44,7 +43,6 @@ services:
       - OPENROUTER_API_KEY=${OPENROUTER_API_KEY}
     volumes:
       - /mnt/HoardingCow_docker_data/Hermes/data:/opt/data
-      - /mnt/HoardingCow_docker_data/Hermes/venv:/opt/hermes/.venv
     devices:
       - /dev/kfd:/dev/kfd
       - /dev/dri:/dev/dri

ai/hermes/Dockerfile

@@ -0,0 +1,10 @@
+FROM nousresearch/hermes-agent:latest
+
+# Install Chromium for browser tool
+RUN apt-get update && apt-get install -y --no-install-recommends \
+    chromium \
+    && rm -rf /var/lib/apt/lists/* \
+    && apt-get clean
+
+# Set environment variable for Chromium path
+ENV CHROME_EXECUTABLE=/usr/bin/chromium