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당신의 편집 |
| 1번째 줄: |
1번째 줄: |
| ==개요== | | ==개요== |
| ;카타코더 Docker - Load Balancing Containers
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| {{카타코더|Docker|2}} | | {{카타코더|Docker|2}} |
|
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|
| ==NGINX Proxy== | | ==== |
| <source lang='console'> | | <source lang='console'> |
| $ docker run -d -p 80:80 -e DEFAULT_HOST=proxy.example -v /var/run/docker.sock:/tmp/docker.sock:ro --name nginx jwilder/nginx-proxy
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| c884bfe63c8abe1b7fddfe1a7ffd2a97770830d3a40cef809a70a2ac8db2b0a7
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| </source>
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| <source lang='console'>
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| $ curl http://docker
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| <html>
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| <head><title>503 Service Temporarily Unavailable</title></head>
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| <body bgcolor="white">
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| <center><h1>503 Service Temporarily Unavailable</h1></center>
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| <hr><center>nginx/1.14.1</center>
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| </body>
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| </html>
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| </source>
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|
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| ==Single Host==
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| <source lang='console'>
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| $ docker run -d -p 80 -e VIRTUAL_HOST=proxy.example katacoda/docker-http-server
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| 2fc6828eb8f34fa30d070cd49dbd5e7a44077abc717f5b56f17d29e3ae082b6e
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| </source>
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| <source lang='console'>
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| $ curl http://docker
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| <h1>This request was processed by host: 2fc6828eb8f3</h1>
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| </source>
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|
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| ==Cluster==
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| <source lang='console'>
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| $ docker run -d -p 80 -e VIRTUAL_HOST=proxy.example katacoda/docker-http-server
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| a3a91d74125721f142ae755431ae4a935f9512ac00b69589b3d11b07e3b34eb2
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| </source>
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| <source lang='console'>
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| $ curl http://docker
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| <h1>This request was processed by host: a3a91d741257</h1>
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| </source>
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|
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| ==Generated NGINX Configuration==
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| <source lang='console'>
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| $ docker exec nginx cat /etc/nginx/conf.d/default.conf
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| # If we receive X-Forwarded-Proto, pass it through; otherwise, pass along the
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| # scheme used to connect to this server
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| map $http_x_forwarded_proto $proxy_x_forwarded_proto {
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| default $http_x_forwarded_proto;
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| '' $scheme;
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| }
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| # If we receive X-Forwarded-Port, pass it through; otherwise, pass along the
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| # server port the client connected to
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| map $http_x_forwarded_port $proxy_x_forwarded_port {
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| default $http_x_forwarded_port;
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| '' $server_port;
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| }
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| # If we receive Upgrade, set Connection to "upgrade"; otherwise, deleteany
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| # Connection header that may have been passed to this server
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| map $http_upgrade $proxy_connection {
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| default upgrade;
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| '' close;
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| }
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| # Apply fix for very long server names
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| server_names_hash_bucket_size 128;
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| # Default dhparam
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| ssl_dhparam /etc/nginx/dhparam/dhparam.pem;
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| # Set appropriate X-Forwarded-Ssl header
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| map $scheme $proxy_x_forwarded_ssl {
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| default off;
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| https on;
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| }
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| gzip_types text/plain text/css application/javascript application/json application/x-javascript text/xml application/xml application/xml+rss text/javascript;
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| log_format vhost '$host $remote_addr - $remote_user [$time_local] '
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| '"$request" $status $body_bytes_sent '
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| '"$http_referer" "$http_user_agent"';
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| access_log off;
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| resolver 8.8.8.8;
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| # HTTP 1.1 support
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| proxy_http_version 1.1;
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| proxy_buffering off;
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| proxy_set_header Host $http_host;
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| proxy_set_header Upgrade $http_upgrade;
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| proxy_set_header Connection $proxy_connection;
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| proxy_set_header X-Real-IP $remote_addr;
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| proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
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| proxy_set_header X-Forwarded-Proto $proxy_x_forwarded_proto;
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| proxy_set_header X-Forwarded-Ssl $proxy_x_forwarded_ssl;
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| proxy_set_header X-Forwarded-Port $proxy_x_forwarded_port;
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| # Mitigate httpoxy attack (see README for details)
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| proxy_set_header Proxy "";
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| server {
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| server_name _; # This is just an invalid value which will nevertrigger on a real hostname.
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| listen 80;
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| access_log /var/log/nginx/access.log vhost;
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| return 503;
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| }
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| # proxy.example
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| upstream proxy.example {
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| ## Can be connected with "bridge" network
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| # hopeful_kare
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| server 172.18.0.4:80;
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| ## Can be connected with "bridge" network
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| # silly_borg
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| server 172.18.0.3:80;
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| }
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| server {
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| server_name proxy.example;
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| listen 80 default_server;
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| access_log /var/log/nginx/access.log vhost;
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| location / {
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| proxy_pass http://proxy.example;
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| }
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| }
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| </source>
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| <source lang='console'>
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| $ docker logs nginx
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| WARNING: /etc/nginx/dhparam/dhparam.pem was not found. A pre-generated dhparam.pem will be used for now while a new one
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| is being generated in the background. Once the new dhparam.pem is in place, nginx will be reloaded.
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| forego | starting dockergen.1 on port 5000
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| forego | starting nginx.1 on port 5100
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| dockergen.1 | 2019/03/23 11:15:53 Generated '/etc/nginx/conf.d/default.conf' from 1 containers
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| dockergen.1 | 2019/03/23 11:15:53 Watching docker events
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| dockergen.1 | 2019/03/23 11:15:53 Contents of /etc/nginx/conf.d/default.conf did not change. Skipping notification 'nginx -s reload'
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| nginx.1 | docker 172.17.0.60 - - [23/Mar/2019:11:16:01 +0000] "GET /HTTP/1.1" 503 213 "-" "curl/7.47.0"
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| dockergen.1 | 2019/03/23 11:16:19 Received event start for container 2fc6828eb8f3
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| dockergen.1 | 2019/03/23 11:16:19 Generated '/etc/nginx/conf.d/default.conf' from 2 containers
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| dockergen.1 | 2019/03/23 11:16:19 Running 'nginx -s reload'
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| nginx.1 | docker 172.17.0.60 - - [23/Mar/2019:11:16:28 +0000] "GET /HTTP/1.1" 200 58 "-" "curl/7.47.0"
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| dockergen.1 | 2019/03/23 11:16:47 Received event start for container a3a91d741257
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| dockergen.1 | 2019/03/23 11:16:47 Generated '/etc/nginx/conf.d/default.conf' from 3 containers
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| dockergen.1 | 2019/03/23 11:16:47 Running 'nginx -s reload'
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| 2019/03/23 11:16:52 [notice] 47#47: signal process started
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| Generating DH parameters, 2048 bit long safe prime, generator 2
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| This is going to take a long time
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| dhparam generation complete, reloading nginx
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| nginx.1 | docker 172.17.0.60 - - [23/Mar/2019:11:16:55 +0000] "GET /HTTP/1.1" 200 58 "-" "curl/7.47.0"
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| </source> | | </source> |
