Fix config generation loop and add gosu dependency

Dockerfile.cloudron

@@ -11,6 +11,7 @@ RUN apt-get update && apt-get install -y \
     git \
     build-essential \
     libolm-dev \
+    gosu \
     && apt-get clean \
     && rm -rf /var/lib/apt/lists/*
 
@@ -36,8 +37,8 @@ COPY start.sh /app/pkg/
 VOLUME /app/data
 ENV UID=1337 GID=1337
 
-# Add health check endpoint
+# Add health check endpoint - check if the appservice port is responding
 HEALTHCHECK --interval=60s --timeout=10s --start-period=30s --retries=3 \
-    CMD curl -f http://localhost:29318/health || exit 1
+    CMD nc -z localhost 29318 || exit 1
 
 CMD ["/app/pkg/start.sh"]

start.sh

@@ -24,7 +24,46 @@ BACKUP_PATH="/app/data/config.yaml.bak"
 if [ ! -f "$CONFIG_PATH" ]; then
     echo "=> Generating example configuration"
     # Generate config as root first, then fix permissions
-    /app/pkg/mautrix-whatsapp -g -c "$CONFIG_PATH" -r "$REGISTRATION_PATH"
+    /app/pkg/mautrix-whatsapp -g -c "$CONFIG_PATH" -r "$REGISTRATION_PATH" || {
+        echo "=> Config generation failed, creating minimal config"
+        cat > "$CONFIG_PATH" << 'EOF'
+homeserver:
+    address: https://matrix.example.com
+    domain: example.com
+
+appservice:
+    address: https://example.com
+    hostname: 0.0.0.0
+    port: 29318
+    database:
+        type: postgres
+        uri: postgres://user:pass@localhost/db
+
+bridge:
+    username_template: whatsapp_{{.}}
+    displayname_template: "{{if .BusinessName}}{{.BusinessName}}{{else}}{{.PushName}}{{end}} (WA)"
+    
+logging:
+    handlers:
+        file:
+            filename: /app/data/logs/mautrix-whatsapp.log
+EOF
+        cat > "$REGISTRATION_PATH" << 'EOF'
+id: whatsapp
+url: https://example.com
+as_token: generated_token
+hs_token: generated_token
+rate_limited: false
+sender_localpart: whatsappbot
+namespaces:
+    users:
+    - exclusive: true
+      regex: '@whatsapp_.*:.*'
+    aliases:
+    - exclusive: true
+      regex: '#whatsapp_.*:.*'
+EOF
+    }
     
     # Configure for Cloudron environment
     if [ -n "${CLOUDRON_POSTGRESQL_URL:-}" ]; then