wip

runon/runon.py

@@ -84,10 +84,14 @@ def build_image(conf, update, verbose):
                 print('image: {} up-to-date'.format(image_name))
             return image_name
 
+    image = conf.get('image')
     dockerfile = conf.get('dockerfile')
     pkginstall = conf.get('pkginstall')
     packages = conf.get('packages')
-
+    if not dockerfile:
+        dockerfile = []
+    if image:
+        dockerfile.insert(0, 'FROM {}'.format(image))
     if packages:
         for p in packages:
             dockerfile.append(pkginstall.format(p))
@@ -108,7 +112,8 @@ def build_image(conf, update, verbose):
     if not os.path.exists(cache_dir):
         os.mkdir(cache_dir)
     with open(cache_file, 'w') as file:
-        print('cache: {}'.format(cache_file))
+        if verbose:
+            print('cache: {}'.format(cache_file))
         file.write('')
 
     return image_name