Update Dockerfile

Dockerfile

@@ -8,18 +8,17 @@ WORKDIR /app
 RUN npm ci --omit=dev &&\
     mv node_modules /node_modules
 
-# Copy build result to a new image.
-# This saves a lot of disk space.
-FROM docker.io/library/node:lts-alpine
-HEALTHCHECK CMD /usr/bin/timeout 5s /bin/sh -c "/usr/bin/wg show | /bin/grep -q interface || exit 1" --interval=1m --timeout=5s --retries=3
-COPY --from=build_node_modules /app /app
-
 # Copy build result to a new image.
 # This saves a lot of disk space.
 FROM amneziavpn/amnezia-wg:latest
 HEALTHCHECK CMD /usr/bin/timeout 5s /bin/sh -c "/usr/bin/wg show | /bin/grep -q interface || exit 1" --interval=1m --timeout=5s --retries=3
 COPY --from=build_node_modules /app /app
 
+# Install Node.js
+RUN apk add --no-cache \
+    nodejs \
+    npm
+    
 # Move node_modules one directory up, so during development
 # we don't have to mount it in a volume.
 # This results in much faster reloading!