diff --git a/eg3/README.md b/eg3/README.md
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+# e.g. 3: Create an Ningx Reverse Proxy With Docker
+
+How To Run Multiple Docker Containers Under One URL
+
diff --git a/eg3/backend/Dockerfile b/eg3/backend/Dockerfile
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+++ b/eg3/backend/Dockerfile
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+FROM node:10.15.3-alpine
+WORKDIR /home/node/
+RUN npm install express --save
+COPY index.js .
+CMD [ "node", "index.js"]
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diff --git a/eg3/backend/docker-compose.yaml b/eg3/backend/docker-compose.yaml
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+++ b/eg3/backend/docker-compose.yaml
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+version: '3.8'
+
+services:
+ backend:
+ container_name: backend
+ build: .
+ ports:
+ - "5000:5000"
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diff --git a/eg3/backend/index.js b/eg3/backend/index.js
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+++ b/eg3/backend/index.js
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+const express = require('express');
+const app = express();
+const port = 5000;
+const version = '1.0.0';
+
+app.get('/', (req, res) => res.send({ version }));
+app.listen(port, () => console.log(`Listening on port ${port}`));
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diff --git a/eg3/frontend/Dockerfile b/eg3/frontend/Dockerfile
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+FROM nginx:stable-alpine
+WORKDIR /usr/share/nginx/html
+RUN apk add curl
+COPY index.html .
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diff --git a/eg3/frontend/docker-compose.yaml b/eg3/frontend/docker-compose.yaml
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+++ b/eg3/frontend/docker-compose.yaml
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+version: '3.8'
+
+services:
+ frontend:
+ container_name: frontend
+ build: .
+ # ports:
+ # - "80:80"
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diff --git a/eg3/frontend/index.html b/eg3/frontend/index.html
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+++ b/eg3/frontend/index.html
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+
+
+
+Frontend
+
+
+
+My Application Version
+
+
+
+
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diff --git a/eg3/proxy/Dockerfile b/eg3/proxy/Dockerfile
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+++ b/eg3/proxy/Dockerfile
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+FROM nginx:stable-alpine
+WORKDIR /etc/nginx/conf.d
+COPY default.conf .
+CMD [ "nginx", "-s", "reload"]
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diff --git a/eg3/proxy/default.conf b/eg3/proxy/default.conf
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+++ b/eg3/proxy/default.conf
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+server {
+ listen 80;
+ listen [::]:80;
+ server_name localhost;
+
+ location / {
+ root /usr/share/nginx/html;
+ index index.html index.htm;
+ proxy_pass http://frontend;
+ }
+
+ location /api {
+ proxy_pass http://backend:5000/;
+ }
+
+ #error_page 404 /404.html;
+
+ # redirect server error pages to the static page /50x.html
+ #
+ error_page 500 502 503 504 /50x.html;
+ location = /50x.html {
+ root /usr/share/nginx/html;
+ }
+
+ # proxy the PHP scripts to Apache listening on 127.0.0.1:80
+ #
+ #location ~ \.php$ {
+ # proxy_pass http://127.0.0.1;
+ #}
+
+ # pass the PHP scripts to FastCGI server listening on 127.0.0.1:9000
+ #
+ #location ~ \.php$ {
+ # root html;
+ # fastcgi_pass 127.0.0.1:9000;
+ # fastcgi_index index.php;
+ # fastcgi_param SCRIPT_FILENAME /scripts$fastcgi_script_name;
+ # include fastcgi_params;
+ #}
+
+ # deny access to .htaccess files, if Apache's document root
+ # concurs with nginx's one
+ #
+ #location ~ /\.ht {
+ # deny all;
+ #}
+}
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diff --git a/eg3/proxy/docker-compose.yaml b/eg3/proxy/docker-compose.yaml
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+++ b/eg3/proxy/docker-compose.yaml
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+version: '3.8'
+
+services:
+ proxy:
+ container_name: proxy
+ build: .
+ ports:
+ - "80:80"
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