make use of mainline nginx image, switch ssl/non-ssl config file based on presence of cert/key, hardcode app port since it is hardcoded in the app container as well
		
			
				
	
	
		
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			40 lines
		
	
	
		
			1.2 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
# server {
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#     listen         80;
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#     server_name    mattermost.example.com;
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#     return         301 https://$server_name$request_uri;
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# }
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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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server {
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    listen 443;
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    ssl on;
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    ssl_certificate /cert/cert.pem;
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    ssl_certificate_key /cert/key-no-password.pem;
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    ssl_session_timeout 5m;
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    ssl_protocols TLSv1 TLSv1.1 TLSv1.2;
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    ssl_ciphers HIGH:MEDIUM:!SSLv2:!PSK:!SRP:!ADH:!AECDH;
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    ssl_prefer_server_ciphers on;
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    location / {
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        gzip off;
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        proxy_set_header X-Forwarded-Ssl on;
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        client_max_body_size 50M;
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        proxy_set_header Upgrade $http_upgrade;
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        proxy_set_header Connection "upgrade";
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        proxy_set_header Host $http_host;
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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-Frame-Options SAMEORIGIN;
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        proxy_pass http://app:80;
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    }
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}
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# See https://github.com/mattermost/docs/blob/master/source/install/prod-ubuntu.rst for the SSL configuration
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