Created dockerfile for the API

Dockerfile

@@ -0,0 +1,24 @@
+# Use the Node.js 14 base image
+FROM node:14
+
+# Set the working directory inside the container
+WORKDIR /app
+
+# Clone the repository
+RUN git clone https://github.com/vivekteega/economicsystem-tokenroom .
+
+# Install dependencies
+RUN npm install
+
+# Copy sheet_data.json and access_token.json to the "config" folder
+COPY $ACCESS_TOKEN_PATH .
+COPY $SHEET_DATA_PATH .
+
+# Set the environment variable for the port
+ENV PORT=3000
+
+# Expose the port specified in the environment variable
+EXPOSE $PORT
+
+# Start the application
+ENTRYPOINT ["npm", "start"]