Fixed metrics dependency on home's health check

home might not be health in the demo.
depending on it prevents metrics from starting and thus brings
the whole deployment down.

this avoids it by both disabling the health check and changing the
dependency to a simple start

Author: rgaudin

src/offspot_demo/prepare.py

@@ -152,6 +152,18 @@ def prepare_for(deployment: Deployment, *, force: bool) -> int:
 
             # other volumes are not accepted and thus removed (not added-back)
 
+        # disabled healthcheck for home (its defined in image)
+        if svcname == "home":
+            service["healthcheck"] = {"disable": True}
+
+        # remove metrics dependency to home being healthy as we disabled healthcheck
+        if (
+            svcname == "metrics"
+            and service.get("depends_on", {}).get("home", {}).get("condition", "")
+            == "service_healthy"
+        ):
+            service["depends_on"]["home"]["condition"] = "service_started"
+
         # remove cap_add for all ; will break captive portal but it's OK
         if "cap_add" in service:
             del service["cap_add"]