Improve Docker setup and reduce memory usage of production containers (#338)

web/Dockerfile

@@ -5,35 +5,23 @@ WORKDIR /usr/src/app
 
 RUN chown node:node /usr/src/app
 
-COPY --chown=node:node package*.json ./
+RUN apk add --no-cache setpriv
 
-RUN apk add --update-cache build-base python3
+COPY --chown=node:node package*.json ./
 
 RUN npm ci
 
 COPY --chown=node:node . .
 
 EXPOSE 3000
-EXPOSE 24678
 
 FROM base AS dev
 ENV CHOKIDAR_USEPOLLING=true
+EXPOSE 24678
 CMD ["npm", "run", "dev"]
 
-FROM node:16-alpine3.14 as prod
-
-WORKDIR /usr/src/app
-
-RUN chown node:node /usr/src/app
-
-COPY --chown=node:node package*.json ./
-COPY --chown=node:node . .
-
-RUN apk add --update-cache build-base python3
-
-RUN npm ci
-
-EXPOSE 3000
+FROM base as prod
+ENV NODE_ENV=production
 
 
 # Issue build command in entrypoint.sh to capture user .env file instead of the builder .env file.

web/entrypoint.sh

@@ -1 +1,6 @@
-npm run build && node /usr/src/app/build/index.js
+npm run build
+if [ `id -u` -eq 0 ] && [ -n "$PUID" ] && [ -n "$PGID" ]; then
+    exec setpriv --reuid $PUID --regid $PGID --clear-groups node /usr/src/app/build/index.js
+else
+    node /usr/src/app/build/index.js
+fi

web/src/hooks.ts

@@ -1,7 +1,7 @@
 import type { GetSession, Handle } from '@sveltejs/kit';
 import * as cookie from 'cookie';
 import { api } from '@api';
-import { AxiosError } from 'axios';
+import AxiosError from 'axios';
 
 export const handle: Handle = async ({ event, resolve }) => {
 	const cookies = cookie.parse(event.request.headers.get('cookie') || '');