Gets prettier command working

dev-tools/.stylelintignore

@@ -0,0 +1 @@
+**/vendor/**

dev-tools/.stylelintrc.js

@@ -0,0 +1,20 @@
+/* global module */
+
+module.exports = {
+    "extends": "stylelint-config-standard",
+
+    "plugins": [
+        "stylelint-order"
+    ],
+
+    "rules": {
+        "order/order": [
+            "custom-properties",
+            "declarations"
+        ],
+        "indentation": 4,
+        "property-no-vendor-prefix": null,
+        "color-function-notation": null,
+        "declaration-block-no-redundant-longhand-properties": null,
+    }
+};

dev-tools/Dockerfile

@@ -2,12 +2,11 @@ FROM python:3.9
 
 ENV PYTHONUNBUFFERED 1
 
-RUN mkdir /app /app/static /app/images
-
+RUN mkdir /app
 WORKDIR /app
 
 COPY package.json requirements.txt .stylelintrc.js .stylelintignore /app/
-RUN pip install black
+RUN pip install -r requirements.txt
 
 RUN apt-get update && apt-get install -y curl
 RUN curl -sL https://deb.nodesource.com/setup_16.x | bash -