Added initial code

Author: maZahaca

.gitignore

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+.idea
+*.iml
+out
+gen

Dockerfile

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+FROM nginx:1.11.10
+
+COPY nginx.conf /etc/nginx/nginx.conf
+COPY bin/* /usr/local/bin/
+
+RUN chmod 744 /usr/local/bin/entry.sh && \
+    chown root:root /usr/local/bin/entry.sh
+
+CMD ["/usr/local/bin/entry.sh"]

bin/entry.sh

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+#!/bin/bash
+
+# Providing defaults values for missing env variables
+[ "$DEFAULT_USER" = "" ]        && export DEFAULT_USER="admin"
+[ "$DEFAULT_PASSWORD" = "" ]    && export DEFAULT_PASSWORD="$(openssl rand -base64 12)"
+
+printf "$DEFAULT_USER:$(openssl passwd -crypt "${DEFAULT_PASSWORD}")\n" > /htpasswd
+
+echo "=====[ Nginx Basic Auth ]============================================"
+echo "Generated default user"
+echo "Login: $DEFAULT_USER"
+echo "Password: $DEFAULT_PASSWORD"
+echo "=========================================================================="
+
+nginx -g "daemon off;"

nginx.conf

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+# For more information on configuration, see:
+#   * Official English Documentation: http://nginx.org/en/docs/
+#   * Official Russian Documentation: http://nginx.org/ru/docs/
+
+user  nginx;
+worker_processes  1;
+
+error_log  /var/log/nginx/error.log;
+#error_log  /var/log/nginx/error.log  notice;
+#error_log  /var/log/nginx/error.log  info;
+
+pid        /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;
+    client_max_body_size 100M;
+
+    sendfile        on;
+    #tcp_nopush     on;
+
+    #keepalive_timeout  0;
+    keepalive_timeout  65;
+
+    gzip on;
+
+    index index.html index.htm;
+    server_names_hash_bucket_size 128;
+
+    # Load modular configuration files from the /etc/nginx/conf.d directory.
+    # See http://nginx.org/en/docs/ngx_core_module.html#include
+    # for more information.
+    # include /etc/nginx/conf.d/*.conf;
+
+    server {
+        listen 80;
+
+        location / {
+            auth_basic "Are you authorized to be there?";
+            auth_basic_user_file /htpasswd;
+
+            try_files DUMMY @return200;
+        }
+
+        location @return200 {
+            add_header Content-Type text/plain;
+            return 200 'Welcome';
+        }
+    }
+}