[chore] - update pipeline

Dockerfile

@@ -0,0 +1,14 @@
+FROM node:12.19.0-buster AS compile-image
+
+WORKDIR /opt/ng
+COPY package.json /opt/ng/package.json
+RUN npm install
+RUN npm install -g @angular/cli
+ENV PATH="./node_modules/.bin:$PATH"
+
+COPY . ./
+RUN ng build --configuration production --base-href /nggitea/ --deploy-url /nggitea/
+
+FROM nginx
+COPY nginx.conf /etc/nginx/conf.d/default.conf
+COPY --from=compile-image /opt/ng/dist/ng-gitea /usr/share/nginx/html