Fixed Dockerfile

Dockerfile

@@ -1,15 +1,16 @@
 # Build stage
-FROM trion/ng-cli-karma AS builder
-LABEL maintainer="nicklas@wiegandt.eu,thesasch_github@wiegandt.net"
-USER 1000
-WORKDIR /tmp
-# copy app files
+FROM node:16-alpine AS build-stage
+WORKDIR /app
+
+COPY package.json ./
+COPY package-lock.json ./
+RUN npm ci
+
 COPY . .
-# install node packages
-RUN npm install && \
-#build package
-    npm run all
-
-FROM nginx:stable-alpine
-LABEL maintainer="nicklas@wiegandt.eu,thesasch_github@wiegandt.net"
-COPY --from=builder --chown=101:101 /tmp/dist /usr/share/nginx/html
+
+RUN npm run bundle
+
+
+# Runtime stage
+FROM nginx:1.22-alpine
+COPY --from=build-stage /app/dist /usr/share/nginx/html