added wait for servers to be up before starting archgraph

fixed bug in mongodb connection establishing

conf/run.sh

@@ -56,24 +56,39 @@ cd "$ROOT_DIR"
 
 if [[ "$NEO4J_HOST" != "" ]]; then
     echo "Neo4j Server Host: $NEO4J_HOST"
+else
+    NEO4J_HOST="127.0.0.1"
 fi
 
 if [[ "$NEO4J_PORT" != "" ]]; then
     echo "Neo4j Server Port: $NEO4J_PORT"
+else
+    NEO4J_PORT="7687"
 fi
 
 if [[ "$MONGODB_HOST" != "" ]]; then
     echo "MongoDB Server Host: $MONGODB_HOST"
+else
+    MONGODB_HOST="127.0.0.1"
 fi
 
 if [[ "$MONGODB_PORT" != "" ]]; then
     echo "MongoDB Server Port: $MONGODB_PORT"
+else
+    MONGODB_PORT="27017"
 fi
 
 if [[ "$CUSTOM_HOST_FOR_SERVER_BIND" != "" ]]; then
     echo "Flask Server binding to host with address $CUSTOM_HOST_FOR_SERVER_BIND"
 fi
 
+## wait for servers to be active before running the application
+
+./conf/wait-for-it.sh "$MONGODB_HOST:$MONGODB_PORT" --timeout=60 &
+./conf/wait-for-it.sh "$NEO4J_HOST:$NEO4J_PORT" --timeout=60
+
+wait
+
 python "$ROOT_DIR/src/Routes/routes.py" &
 SERVER_PID=$!
 cd "$ROOT_DIR/frontend" || ( echo "folder missing " && exit 1 )

src/Routes/mongo.py

@@ -10,7 +10,7 @@
 
 client = MongoClient(
     host=EnvVarManager.get_from_env_or_return_default("MONGODB_HOST", "localhost"),
-    port=EnvVarManager.get_from_env_or_return_default("MONGODB_PORT", "27017"),
+    port=int(EnvVarManager.get_from_env_or_return_default("MONGODB_PORT", "27017")),
 )
 db = client.mydatabase
 date_now = datetime.now().strftime("%Y-%m-%d, %H:%M:%S")