introduce no_cache and pull to force a full rebuild

ndeloof · ndeloof · commit e754ead90a12 · 2022-05-02T10:50:10.000+02:00
Signed-off-by: Nicolas De Loof &lt;nicolas.deloof@gmail.com&gt;
diff --git a/build.md b/build.md
@@ -274,6 +274,17 @@ build:
     - "com.example.label-with-empty-value"
 ```
 
+### no_cache
+
+`no_cache` disables image builder cache and enforce a full rebuild from source for all image layers. This only
+applies to layers declared in the Dockerfile, referenced images COULD be retrieved from local image store whenever tag
+has been updated on registry (see #pull).
+
+### pull
+
+`pull` require the image builder to pull referenced images (`FROM` Dockerfile directive), even if those are already 
+available in the local image store.
+
 ### shm_size
 
 `shm_size` set the size of the shared memory (`/dev/shm` partition on Linux) allocated for building Docker image. Specify
diff --git a/schema/compose-spec.json b/schema/compose-spec.json
@@ -95,7 +95,9 @@
                 "labels": {"$ref": "#/definitions/list_or_dict"},
                 "cache_from": {"type": "array", "items": {"type": "string"}},
                 "cache_to": {"type": "array", "items": {"type": "string"}},
+                "no_cache": {"type": "boolean"},
                 "network": {"type": "string"},
+                "pull": {"type": "boolean"},
                 "target": {"type": "string"},
                 "shm_size": {"type": ["integer", "string"]},
                 "extra_hosts": {"$ref": "#/definitions/list_or_dict"},
