Add healthcheck for frontend, pin versions for minio

compose.yml

@@ -92,6 +92,12 @@ services:
         - "traefik.enable=false"
         - "coop-cloud.${STACK_NAME}.timeout=${TIMEOUT:-120}"
         - "coop-cloud.${STACK_NAME}.version=0.0.0+v3.3.0"
+    healthcheck:
+      test: ["CMD", "curl", "-f", "http://localhost:8080"]
+      interval: 15s
+      timeout: 30s
+      retries: 20
+      start_period: 10s
 
   backend:
     image: lasuite/impress-backend:v3.3.0
@@ -119,6 +125,7 @@ services:
     networks:
       - backend 
     environment: *yprovider-env
+    # NOTE: healthcheck - `wget` is available in the container, but `wget http://localhost:4444` gives a 403
 
   db:
     image: postgres:16
@@ -142,7 +149,7 @@ services:
 
   minio-bootstrap:
     # NOTE: Not started by default, only run with a manual `abra app restart` / `docker service scale`
-    image: minio/mc
+    image: minio/mc:RELEASE.2025-05-21T01-59-54Z
     environment: *minio-env
     networks:
       - backend 
@@ -159,7 +166,7 @@ services:
         condition: none
 
   minio:
-    image: minio/minio
+    image: minio/minio:RELEASE.2025-05-24T17-08-30Z
     environment: *minio-env
     healthcheck:
       test: ["CMD", "mc", "ready", "local"]