Fix entrypoint script creation and permissions

Dockerfile

@@ -37,12 +37,13 @@ ENV DATA_DIR=/app/data
 ENV NODE_ENV=production
 ENV PORT=80
 
-# Create startup script to fix volume permissions
-RUN echo '#!/bin/sh\nchown -R node:node /app/data\nchmod 755 /app/data\nexec su-exec node "$@"' > /entrypoint.sh && chmod +x /entrypoint.sh
-
 # Install su-exec for user switching
 RUN apk add --no-cache su-exec
 
+# Copy entrypoint script
+COPY entrypoint.sh /entrypoint.sh
+RUN chmod +x /entrypoint.sh
+
 EXPOSE 80
 HEALTHCHECK --interval=30s --timeout=5s --start-period=10s --retries=3 \
   CMD curl -fsS http://localhost/api/health >/dev/null || exit 1

entrypoint.sh

@@ -0,0 +1,8 @@
+#!/bin/sh
+
+# Fix permissions for volume-mounted data directory
+chown -R node:node /app/data
+chmod 755 /app/data
+
+# Switch to node user and execute the command
+exec su-exec node "$@"