clean up docker config

Dockerfile

@@ -1,10 +1,8 @@
 FROM node:lts-alpine
 ENV NODE_ENV=production
-WORKDIR /usr/src/app
-COPY ["package.json", "package-lock.json*", "npm-shrinkwrap.json*", "./"]
-RUN npm install --production --silent && mv node_modules ../
+WORKDIR /app
+COPY package*.json ./
+RUN npm install
 COPY . .
 EXPOSE 8080
-RUN chown -R node /usr/src/app
-USER node
-CMD [ "npx", "@11ty/eleventy", "--serve"]
+CMD [ "npx", "@11ty/eleventy", "--serve" ]