update fetch example scripts connection to mongodb, add pulling env variables from secret to kubernetes config

kubernetes/app.yml

@@ -92,7 +92,11 @@ spec:
           - name: fetch-examples
             image: index.docker.io/catarak/p5.js-web-editor:latest
             command: ["npm", "run", "fetch-examples:prod"]
-          restartPolicy: OnFailure
+            imagePullPolicy: Always
+            envFrom:
+            - secretRef:
+                name: web-editor-credentials
+          restartPolicy: Never
 ---
 # cronjob for generative gestaltung p5.js examples
 apiVersion: batch/v1beta1
@@ -109,4 +113,8 @@ spec:
           - name: fetch-examples-gg
             image: index.docker.io/catarak/p5.js-web-editor:latest
             command: ["npm", "run", "fetch-examples-gg:prod"]
-          restartPolicy: OnFailure
+            imagePullPolicy: Always
+            envFrom:
+            - secretRef:
+                name: web-editor-credentials
+          restartPolicy: Never

server/scripts/examples-gg-latest.js

@@ -82,7 +82,7 @@ if (process.env.NODE_ENV === 'production' && process.env.MONGO_RW_USERNAME && pr
 } else {
   mongoConnectionString = process.env.MONGO_URL;
 }
-mongoose.connect(mongoConnectionString);
+mongoose.connect(mongoConnectionString, { useMongoClient: true });
 mongoose.connection.on('error', () => {
   console.error('MongoDB Connection Error. Please make sure that MongoDB is running.');
   process.exit(1);

server/scripts/examples.js

@@ -53,7 +53,7 @@ if (process.env.NODE_ENV === 'production' && process.env.MONGO_RW_USERNAME && pr
   mongoConnectionString = process.env.MONGO_URL;
 }
 
-mongoose.connect(mongoConnectionString);
+mongoose.connect(mongoConnectionString, { useMongoClient: true });
 mongoose.connection.on('error', () => {
   console.error('MongoDB Connection Error. Please make sure that MongoDB is running.');
   process.exit(1);