fix: remove ENV variables and better structure files inside image

Author: abubkr-hago

Dockerfile

@@ -1,7 +1,11 @@
+# latest supported node version when this Dockerfile was written
+ARG NODE_VERSION=22.12.0-alpine
+ARG APP_DIR=/usr/src/parse
+
 # Builder stage
-FROM node:22.12.0-alpine AS builder
+FROM node:${NODE_VERSION} AS builder
 
-WORKDIR /usr/src/parse
+WORKDIR ${APP_DIR}
 
 COPY package*.json .
 
@@ -11,20 +15,17 @@ COPY . .
 
 RUN npm run build
 
-# latest supported node version when this Dockerfile was written
-FROM node:22.12.0-alpine
+FROM node:${NODE_VERSION}
 
-WORKDIR /usr/src/parse
+WORKDIR ${APP_DIR}
 
 # Copy only the required files from the builder stage
-COPY --from=builder /usr/src/parse/node_modules ./node_modules
-COPY --from=builder /usr/src/parse/dist ./dist
-COPY --from=builder /usr/src/parse/public ./public
+COPY --from=builder ${APP_DIR}/node_modules ./node_modules
+COPY --from=builder ${APP_DIR}/dist ./
+COPY --from=builder ${APP_DIR}/public ./public
 
-ENV APP_ID=setYourAppId
-ENV MASTER_KEY=setYourMasterKey
-ENV DATABASE_URI=setMongoDBURI
+VOLUME ["${APP_DIR}/cloud", "${APP_DIR}/logs"]
 
 EXPOSE 1337
 
-CMD ["node", "dist/index.js"]
+CMD ["node", "index.js"]