refactor: use Tailwind CLI and esbuild for assets

Fixes: #10
Fixes: #14

Dockerfile

@@ -1,39 +1,71 @@
+FROM node:14-alpine AS assets
+
+ARG NODE_ENV="production"
+ARG SCULPIN_ENV="prod"
+ENV NODE_ENV="${NODE_ENV}" \
+    PATH="${PATH}:/node_modules/.bin" \
+    SCULPIN_ENV="${SCULPIN_ENV}"
+
+RUN apk add --no-cache bash
+
+WORKDIR /app
+
+RUN mkdir -p /node_modules \
+  && chown node:node -R /app /node_modules
+
+USER node
+
+COPY --chown=node:node *yarn* package.json ./
+
+RUN yarn install && yarn cache clean
+
+COPY --chown=node:node . .
+
+RUN if [ "${NODE_ENV}" != "development" ]; then \
+  ./run yarn:build:css && ./run yarn:build:js; \
+  else mkdir -p /app/build; fi
+
+CMD ["bash"]
+
+###
+
 FROM opdavies/sculpin-serve AS app
 
-#
+WORKDIR /app
+
+RUN adduser --disabled-password sculpin \
+  && chown sculpin:sculpin -R /app
+
+###
 
 FROM app AS build
 
 ENV PATH=$PATH:/app/vendor/bin/phpunit
 
+COPY tools/docker/images/app/root /
+
 WORKDIR /app
 
-COPY composer.* ./
+USER sculpin
+
+COPY --chown=sculpin:sculpin composer.* ./
 
 RUN composer install --no-dev
 
-COPY app app
-COPY source source
-COPY src src
+COPY --chown=sculpin:sculpin app app
+COPY --chown=sculpin:sculpin source source
+COPY --chown=sculpin:sculpin src src
 
 RUN sculpin generate --env prod
 
-#
+COPY --chown=sculpin:sculpin . .
+COPY --chown=sculpin:sculpin --from=assets /app/build /build
 
-FROM node:14-alpine AS assets
+ENTRYPOINT ["/usr/bin/docker-entrypoint.sh"]
 
-RUN apk add --no-cache make
+CMD ["bash"]
 
-WORKDIR /app
-
-COPY package*.json ./
-RUN npm ci
-
-COPY . .
-
-RUN npm run production
-
-#
+###
 
 FROM nginx:1 AS production