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- # If we receive X-Forwarded-Proto, pass it through; otherwise, pass along the
- # scheme used to connect to this server
- map $http_x_forwarded_proto $proxy_x_forwarded_proto {
- default $http_x_forwarded_proto;
- '' $scheme;
- }
- # If we receive Upgrade, set Connection to "upgrade"; otherwise, delete any
- # Connection header that may have been passed to this server
- map $http_upgrade $proxy_connection {
- default upgrade;
- '' '';
- }
- # HTTP 1.1 support
- proxy_http_version 1.1;
- proxy_buffering off;
- proxy_set_header Host $http_host;
- proxy_set_header Upgrade $http_upgrade;
- proxy_set_header Connection $proxy_connection;
- proxy_set_header X-Real-IP $remote_addr;
- proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
- proxy_set_header X-Forwarded-Proto $proxy_x_forwarded_proto;
- server {
- listen 80 default_server;
- server_name _; # This is just an invalid value which will never trigger on a real hostname.
- error_log /proc/self/fd/2;
- access_log /proc/self/fd/1;
- return 503;
- }
- {{ range $host, $containers := groupByMulti $ "Env.VIRTUAL_HOST" "," }}
- upstream {{ $host }} {
- {{ range $index, $container := $containers }}
- {{ $addrLen := len $container.Addresses }}
- {{/* If only 1 port exposed, use that */}}
- {{ if eq $addrLen 1 }}
- {{ with $address := index $container.Addresses 0 }}
- # {{$container.Name}}
- server {{ $address.IP }}:{{ $address.Port }};
- {{ end }}
- {{/* If more than one port exposed, use the one matching VIRTUAL_PORT env var */}}
- {{ else if $container.Env.VIRTUAL_PORT }}
- {{ range $index, $address := $container.Addresses }}
- {{ if eq $address.Port $container.Env.VIRTUAL_PORT }}
- # {{$container.Name}}
- server {{ $address.IP }}:{{ $address.Port }};
- {{ end }}
- {{ end }}
- {{/* Else default to standard web port 80 */}}
- {{ else }}
- {{ range $index, $address := $container.Addresses }}
- {{ if eq $address.Port "80" }}
- # {{$container.Name}}
- server {{ $address.IP }}:{{ $address.Port }};
- {{ end }}
- {{ end }}
- {{ end }}
- {{ end }}
- }
- server {
- gzip_types text/plain text/css application/json application/x-javascript text/xml application/xml application/xml+rss text/javascript;
- server_name {{ $host }};
- error_log /proc/self/fd/2;
- access_log /proc/self/fd/1;
- location / {
- proxy_pass http://{{ $host }};
- }
- }
- {{ end }}
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