diff --git a/Dockerfile b/Dockerfile
index d3ce72d..07315bf 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -2,8 +2,12 @@
 FROM node:20-alpine AS build
 WORKDIR /app
 
+# Needed for node-gyp / native deps on Alpine
+RUN apk add --no-cache python3 make g++ git
+
 # Install deps
 COPY package*.json ./
+# If you have a package-lock.json, this will be deterministic.
 RUN npm ci
 
 # Copy source + build
@@ -18,13 +22,11 @@ ENV NODE_ENV=production
 ENV PORT=3000
 ENV HOST=0.0.0.0
 
-# Optional: run as non-root
 RUN addgroup -S nodegroup && adduser -S nodeuser -G nodegroup
 
-# Copy only the built output
 COPY --from=build /app/.output ./.output
 
 EXPOSE 3000
-
 USER nodeuser
+
 CMD ["node", ".output/server/index.mjs"]