Add default superuser creation on startup

Default credentials: admin@admin.com / admin123456

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

Dockerfile

@@ -17,6 +17,10 @@ RUN unzip /tmp/pb.zip -d /pb && rm /tmp/pb.zip
 # Create data directory with proper permissions
 RUN mkdir -p /pb/pb_data && chown -R user:user /pb
 
+# Copy startup script
+COPY --chown=user start.sh /pb/start.sh
+RUN chmod +x /pb/start.sh
+
 # Switch to non-root user
 USER user
 
@@ -25,5 +29,5 @@ WORKDIR /pb
 # Expose PocketBase port
 EXPOSE 8080
 
-# Start PocketBase - binding to 0.0.0.0 is required for Docker
-CMD ["./pocketbase", "serve", "--http=0.0.0.0:8080"]
+# Start PocketBase with default superuser creation
+CMD ["./start.sh"]

start.sh

@@ -0,0 +1,7 @@
+#!/bin/sh
+
+# Create default superuser if it doesn't exist
+./pocketbase superuser upsert admin@admin.com admin123456 2>/dev/null || true
+
+# Start PocketBase
+exec ./pocketbase serve --http=0.0.0.0:8080