Add container labels

Author: jason-fox

docker-compose.yml

@@ -1,6 +1,8 @@
-version: "3.5"
+version: "3.8"
 services:     
     designer:
+        labels:
+            org.fiware: 'tutorial'
         image: fogflow/designer:3.2
         volumes:
             - ./config.json:/app/config.json
@@ -14,6 +16,8 @@ services:
         restart: always
 
     discovery:
+        labels:
+            org.fiware: 'tutorial'
         image: fogflow/discovery:3.2
         volumes:
             - ./config.json:/config.json                        
@@ -24,6 +28,8 @@ services:
         restart: always
 
     master:
+        labels:
+            org.fiware: 'tutorial'
         image: fogflow/master:3.2
         volumes:
             - ./config.json:/config.json                                   
@@ -39,6 +45,8 @@ services:
         restart: always 
 
     cloud_broker:
+        labels:
+            org.fiware: 'tutorial'
         image: fogflow/broker:3.2
         volumes:
             - ./config.json:/config.json 
@@ -50,6 +58,8 @@ services:
         restart: always     
 
     cloud_worker:
+        labels:
+            org.fiware: 'tutorial'
         image: fogflow/worker:3.2
         volumes:
             - /tmp:/tmp        
@@ -61,6 +71,8 @@ services:
         restart: always
 
     rabbitmq:
+        labels:
+            org.fiware: 'tutorial'
         image: rabbitmq:3
         ports:
             - 5672:5672
@@ -69,7 +81,9 @@ services:
             - RABBITMQ_DEFAULT_PASS=mypass   
         restart: always
 
-    nginx: 
+    nginx:
+        labels:
+            org.fiware: 'tutorial' 
         image: nginx:latest
         volumes:
             - ./nginx.conf:/etc/nginx/nginx.conf
@@ -81,7 +95,9 @@ services:
             - designer
         restart: always
 
-    dgraph:                                   
+    dgraph:
+        labels:
+            org.fiware: 'tutorial'                         
         image: dgraph/standalone
         volumes:
             - ./dgraph:/dgraph           

services

@@ -29,15 +29,20 @@ fi
 
 
 stoppingContainers () {
-	CONTAINERS=$(docker ps -aq)
+	CONTAINERS=$(docker ps --filter "label=org.fiware=tutorial" -aq)
 	if [[ -n $CONTAINERS ]]; then 
 		echo "Stopping containers"
-		docker rm -f $CONTAINERS
+		docker rm -f $CONTAINERS || true
 	fi
 	VOLUMES=$(docker volume ls -qf dangling=true) 
 	if [[ -n $VOLUMES ]]; then 
 		echo "Removing old volumes"
-		docker volume rm $VOLUMES
+		docker volume rm $VOLUMES || true
+	fi
+	NETWORKS=$(docker network ls  --filter "label=org.fiware=tutorial" -q) 
+	if [[ -n $NETWORKS ]]; then 
+		echo "Removing tutorial networks"
+		docker network rm $NETWORKS || true
 	fi
 }