first commit

README.md

@@ -37,6 +37,12 @@ Pull manuale:
 docker pull gitea.dataprovider01.sandbox-cat-dat.simpl-europe.eu/j.r/application-consumption-demo-algorithm:optimized
 ```
 
+Se il nodo target e' amd64 e vedi errore "no matching manifest for linux/amd64":
+
+```bash
+docker pull --platform linux/amd64 gitea.dataprovider01.sandbox-cat-dat.simpl-europe.eu/j.r/application-consumption-demo-algorithm@sha256:6cc8ab7c08f195cb65c689255418652fdf0094acaaa4ef63475d594039cda2ab
+```
+
 ## Uso locale rapido
 
 ```bash

deploy.yml

@@ -39,5 +39,5 @@
           - "Deploy completato"
           - "URL: http://{{ ansible_host }}:{{ app_port }}"
           - "Container: {{ container_name }}"
-          - "Image: {{ container_image }}:{{ image_tag }}"
+          - "Image: {{ container_image_ref }}"
           - "Digest atteso: sha256:6cc8ab7c08f195cb65c689255418652fdf0094acaaa4ef63475d594039cda2ab"

group_vars/all.yml

@@ -3,7 +3,10 @@
 registry_url: gitea.dataprovider01.sandbox-cat-dat.simpl-europe.eu
 repository_name: j.r/application-consumption-demo-algorithm
 image_tag: optimized
+image_digest: "sha256:6cc8ab7c08f195cb65c689255418652fdf0094acaaa4ef63475d594039cda2ab"
+image_platform: "linux/amd64"
 container_image: "{{ registry_url }}/{{ repository_name }}"
+container_image_ref: "{{ container_image ~ ('@' ~ image_digest if (image_digest | default('') | length > 0) else ':' ~ image_tag) }}"
 container_name: example-ml-app
 
 # App settings

semaphore_dagster_config.example.yml

@@ -28,6 +28,8 @@ environment_variables:
   registry_url: "gitea.dataprovider01.sandbox-cat-dat.simpl-europe.eu"
   repository_name: "j.r/application-consumption-demo-algorithm"
   image_tag: "optimized"
+  image_digest: "sha256:6cc8ab7c08f195cb65c689255418652fdf0094acaaa4ef63475d594039cda2ab"
+  image_platform: "linux/amd64"
 
   greeting_message: "Hello from SemaphoreUI Demo"
   enable_health_check: "true"

splash/tasks/main.yml

@@ -16,16 +16,26 @@
     name: "{{ container_name }}"
     state: absent
 
-- name: Scarica immagine ML app
-  community.docker.docker_image:
-    name: "{{ container_image }}"
-    tag: "{{ image_tag }}"
-    source: pull
+- name: Scarica immagine ML app (platform-aware)
+  block:
+    - name: Pull immagine Docker da registry
+      ansible.builtin.command: >-
+        docker pull{% if image_platform | default('') | length > 0 %} --platform {{ image_platform }}{% endif %} {{ container_image_ref }}
+      register: image_pull
+      changed_when: image_pull.rc == 0
+
+  rescue:
+    - name: Errore pull immagine con suggerimenti
+      ansible.builtin.fail:
+        msg: >-
+          Pull fallito per {{ container_image_ref }} su platform {{ image_platform | default('default') }}.
+          Verifica che il registry pubblichi un manifest compatibile con l'architettura host
+          (esempio linux/amd64) oppure ricostruisci l'immagine come multi-arch.
 
 - name: Avvia container ML app
   community.docker.docker_container:
     name: "{{ container_name }}"
-    image: "{{ container_image }}:{{ image_tag }}"
+    image: "{{ container_image_ref }}"
     state: started
     restart_policy: unless-stopped
     ports:

undeploy.yml

@@ -14,8 +14,7 @@
 
     - name: Rimuovi immagine (opzionale)
       community.docker.docker_image:
-        name: "{{ container_image }}"
-        tag: "{{ image_tag }}"
+        name: "{{ container_image_ref }}"
         state: absent
       when: remove_image | bool