Update Dockerfile

Dockerfile

@@ -1,13 +1,12 @@
- FROM node:20-alpine
-
-  WORKDIR /app
-
-  RUN apk add --no-cache git && \
-      git clone https://github.com/koodo-reader/koodo-reader.git . && \
-      apk del git
-
-  RUN yarn install
-
-  EXPOSE 3000
-
-  CMD ["yarn", "start"]
+  FROM node:16-alpine
+
+  WORKDIR /app                                                                                                                                           
+                                                                                                                                                         
+  RUN apk add --no-cache git \                                                                                                                           
+      && git clone https://github.com/koodo-reader/koodo-reader.git . \                                                                                  
+      && yarn install \                                                                                                                                  
+      && apk del git                                                                                                                                     
+                                                                                                                                                         
+  EXPOSE 3000                                                                                                                                            
+
+  CMD ["yarn", "start"]