general way to copy assets using env variables

.env.sample

@@ -39,3 +39,4 @@ AUTHENTIK_COLOR_BACKGROUND_LIGHT=#1c1e21
 WELCOME_MESSAGE="Welcome to Authentik"
 DEFAULT_LANGUAGE=en
 AUTHENTIK_FOOTER_LINKS='[{"name": "My Organization","href":"https://example.com"}]'
+COPY_ASSETS="flow_background.jpg|app:/web/dist/assets/images/ icon_left_brand.svg|app:/web/dist/assets/icons/ icon.png|app:/web/dist/assets/icons/"

abra.sh

@@ -8,20 +8,11 @@ customize() {
             echo "Usage: ... customize <assets_path>"
             exit 1
     fi
-    # TODO: use env to specify source and target files
-    if [ -e $1/flow_background.jpg ]
-    then
-        echo copy flow_background.jpg
-        abra app cp $APP_NAME $1/flow_background.jpg app:/web/dist/assets/images/
-    fi
-    if [ -e $1/icon_left_brand.svg ]
-    then
-        echo copy icon_left_brand.svg
-        abra app cp $APP_NAME $1/icon_left_brand.svg app:/web/dist/assets/icons/
-    fi
-    if [ -e $1/icon.png ]
-    then
-        echo copy icon.png
-        abra app cp $APP_NAME $1/icon.png app:/web/dist/assets/icons/
-    fi
+    asset_dir=$1
+    for asset in $COPY_ASSETS; do
+        source=$(echo $asset | cut -d "|" -f1)
+        target=$(echo $asset | cut -d "|" -f2)
+        echo copy $source to $target
+        abra app cp $APP_NAME $asset_dir/$source $target
+    done
 }

compose.yml

@@ -89,6 +89,7 @@ services:
       - media:/media
       - /var/run/docker.sock:/var/run/docker.sock
       - custom-templates:/templates
+      - /dev/null:/blueprints/default/10-flow-default-authentication-flow.yaml
     configs:
       - source: custom_flows
         target: /blueprints/custom_flows.yaml