Fix Server name and Discard varnish from API-Platform configuration i…

…n Platformsh until supported

.platform/applications.yaml

@@ -56,8 +56,9 @@
       "/var/sessions": "shared:files/sessions"
 
     # The hooks that will be performed when the package is deployed.
+    # Remove the last two lines when Varnish will be supported on PSH.
   hooks:
-      build: |
+      build: |           
           bin/console lexik:jwt:generate-keypair --skip-if-exists --no-interaction
           bin/console --env=prod assets:install --no-debug
           

api/.environment

@@ -30,5 +30,6 @@ export DATABASE_URL=$DB_SCHEME://$DB_USERNAME:$DB_PASSWORD@$DB_HOST:$DB_PORT/mai
 # Set environment variables for Redis
 export REDIS_SERVER=$(echo $PLATFORM_RELATIONSHIPS | base64 --decode | jq -r ".redis[0].host")
 
-export TRUSTED_HOSTS=^$PLATFORM_ENVIRONMENT-$PLATFORM_PROJECT.eu.platformsh.site$
-export SERVER_NAME=$PLATFORM_ENVIRONMENT-$PLATFORM_PROJECT.eu.platformsh.site
+export TRUSTED_HOSTS=^$(echo $PLATFORM_ROUTES | base64 --decode | jq -r "keys[0]" | awk -F[/:] '{print $4}')$
+export SERVER_NAME=$(echo $PLATFORM_ROUTES | base64 --decode | jq -r "keys[0]" | awk -F[/:] '{print $4}')
+export VARNISH_URL=$(echo $PLATFORM_ROUTES | base64 --decode | jq -r "keys[0]" | awk -F[/:] '{print $4}')