after uploading to VPS Docker container

Author: proger-coder

Dockerfile

@@ -0,0 +1,23 @@
+# Use the official lightweight Node.js 14 image.
+# https://hub.docker.com/_/node
+FROM node:latest
+
+# Create and change to the app directory.
+WORKDIR /app
+
+# Copy application dependency manifests to the container image.
+# A wildcard is used to ensure copying both package.json AND package-lock.json (if available).
+# Copying this first prevents re-running npm install on every code change.
+COPY package*.json ./
+
+# Install production dependencies.
+RUN npm install --only=production
+
+# Copy local code to the container image.
+COPY . .
+
+# Expose the port the app runs in
+EXPOSE 3002
+
+# Run the web service on container startup.
+CMD [ "node", "app.js" ]