Fixes issue with edge-logic service not starting due to models depend…

docker-compose.yml

@@ -12,7 +12,7 @@ services:
     depends_on:
       - model
     volumes:
-      - 'model-data:/models'
+        - 'model-data:/models:ro'
     labels:
       io.balena.features.kernel-modules: '1'
       io.balena.features.firmware: '1'

edge-logic/run.sh

@@ -1,9 +1,11 @@
 #!/bin/bash
 
+echo "Starting Web Server"
+
 # Run a simple classification on the supplied image. 
 # If the model or labels are not available, the container 
 # will exit and try again.
 python3 /usr/src/app/app.py
 
 # Run balena-idle after our py3 script exits so the container keeps running
-balena-idle
+balena-idle

models/run.sh

@@ -2,4 +2,7 @@
 
 #Copy model and labels to shared volume
 echo "Copying Model to shared volume..."
-cp -v *{tflite,txt} shared-model/
+cp -v *{tflite,txt} shared-model/
+
+#Keep container alive long enough for dependent containers to start
+sleep 15