Add nginx auth

nginx_auth/docker-compose.yml

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+# This compose file will boot a typical nginx-web toplogy
+#  nginx: can set user/password to access, and forward request to web.
+#  web: listen on private network
+# https://github.com/yeasy/docker-compose-files
+
+#backend web application
+web:
+  image: yeasy/simple-web:latest
+  hostname: web
+  expose:
+  - "80"
+
+#nginx to forward request 
+nginx:
+  image: yeasy/nginx:test
+  hostname: nginx
+  links:
+    - web:web
+  volumes:
+    - ./docker-entrypoint.sh:/tmp/docker-entrypoint.sh
+    - ./nginx.default.conf:/etc/nginx/nginx.default.conf
+  ports:
+    - "80:80"
+  environment:
+    - BACKEND=web
+    - PORT=80
+    - USERNAME=user
+    - PASSWORD=pass
+  command: bash /tmp/docker-entrypoint.sh
+

nginx_auth/docker-entrypoint.sh

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+#!/bin/bash
+set -e
+backend="${BACKEND:-web}"
+port="${PORT:-80}"
+username="${USERNAME:-user}"
+password="${PASSWORD:-pass}"
+
+htpasswd -c -b /etc/nginx/.htpasswd "$username" "$password"
+
+sed "s/BACKEND/$backend/; s/PORT/$port/" /etc/nginx/nginx.default.conf > /etc/nginx/nginx.conf
+
+nginx -c /etc/nginx/nginx.conf

nginx_auth/nginx.default.conf

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+# This file should be put under /etc/nginx/conf.d/
+
+user  nginx;
+worker_processes  1;
+daemon off;
+
+error_log  /var/log/nginx/error.log warn;
+pid        /var/run/nginx.pid;
+
+
+events {
+    worker_connections  1024;
+}
+
+
+http {
+    include       /etc/nginx/mime.types;
+    default_type  application/octet-stream;
+
+    log_format  main  '$remote_addr - $remote_user [$time_local] "$request" '
+                      '$status $body_bytes_sent "$http_referer" '
+                      '"$http_user_agent" "$http_x_forwarded_for"';
+
+    access_log  /var/log/nginx/access.log  main;
+
+    sendfile        on;
+    #tcp_nopush     on;
+
+    keepalive_timeout  65;
+
+    #gzip  on;
+
+    server {
+        listen 80;
+
+        location / {
+	    auth_basic "Login";
+	    auth_basic_user_file /etc/nginx/.htpasswd;
+            proxy_pass http://BACKEND:PORT;
+	    proxy_set_header Host $host;
+	    proxy_set_header X-Forwarded-For $remote_addr;
+	    proxy_set_header X-Real-IP $remote_addr;
+        }
+
+	error_page   500 502 503 504  /50x.html;
+        location = /50x.html {
+            root   html;
+        }
+    }
+
+    include /etc/nginx/conf.d/*.conf;
+}