agregando archivos para despliegue en docker

Dockerfile

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+# Step 1: Build the app in image "builder"
+FROM node:lts-alpine AS builder
+
+COPY package.json package-lock.json ./
+RUN npm i && mkdir /app && mv ./node_modules ./app
+WORKDIR /app
+COPY . .
+RUN node --max-old-space-size=4096 ./node_modules/@angular/cli/bin/ng build --prod
+
+# Step 2: Use build output from 'builder'
+
+FROM nginx:stable-alpine
+LABEL version="1.0"
+
+COPY ./nginx/nginx.conf /etc/nginx/nginx.conf
+
+WORKDIR /usr/share/nginx/html
+COPY --from=builder /app/dist/frontend-inversiones/ .

nginx/nginx.conf

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+worker_processes  1;
+
+events {
+    worker_connections  1024;
+}
+
+http {
+    upstream api {
+        server backend:8000;
+    }
+    server {
+        listen 80;
+        server_name  localhost;
+
+        root   /usr/share/nginx/html;
+        index  index.html index.htm;
+        include /etc/nginx/mime.types;
+
+        location /api/ {
+            proxy_pass http://api;
+            proxy_http_version 1.1;
+            proxy_set_header Upgrade $http_upgrade;
+            proxy_set_header Connection 'upgrade';
+            proxy_set_header Host $host;
+            proxy_set_header X-Real-IP $remote_addr;
+            proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+            proxy_set_header X-NginX-Proxy true;
+            proxy_cache_bypass $http_upgrade;
+        }
+
+        location /assets/ {
+            access_log off;
+            expires 1d;
+        }
+        location ~ \.(css|js|svg|ico)$ {
+            access_log off;
+            expires 1d;
+        }
+        
+        gzip on;
+        gzip_min_length 1000;
+        gzip_proxied expired no-cache no-store private auth;
+        gzip_types text/plain text/css application/json application/javascript application/x-javascript text/xml application/xml application/xml+rss text/javascript;
+
+        location / {
+            try_files $uri $uri/ /index.html;
+        }
+    }
+}