Update Dockerfile

Dockerfile

@@ -4,11 +4,18 @@ WORKDIR /anokha
 
 COPY . .
 
-ENV NEXT_PUBLIC_URL=https://anokha.amrita.edu
+# Set environment variables needed for build
+ARG NEXT_PUBLIC_IS_PRODUCTION
+ARG NEXT_PUBLIC_PAY_U_KEY_TEST
+ARG NEXT_PUBLIC_PAY_U_KEY_PROD
+
+ENV NEXT_PUBLIC_IS_PRODUCTION=${NEXT_PUBLIC_IS_PRODUCTION}
+ENV NEXT_PUBLIC_PAY_U_KEY_TEST=${NEXT_PUBLIC_PAY_U_KEY_TEST}
+ENV NEXT_PUBLIC_PAY_U_KEY_PROD=${NEXT_PUBLIC_PAY_U_KEY_PROD}
 
 RUN npm ci
 
-EXPOSE 3000
+EXPOSE 3002
 
 RUN npm run build