222 lines
8.4 KiB
Cheetah
222 lines
8.4 KiB
Cheetah
{{ $CurrentContainer := where $ "ID" .Docker.CurrentContainerID | first }}
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{{ define "upstream" }}
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{{ if .Address }}
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{{/* If we got the containers from swarm and this container's port is published to host, use host IP:PORT */}}
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{{ if and .Container.Node.ID .Address.HostPort }}
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# {{ .Container.Node.Name }}/{{ .Container.Name }}
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server {{ .Container.Node.Address.IP }}:{{ .Address.HostPort }};
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{{/* If there is no swarm node or the port is not published on host, use container's IP:PORT */}}
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{{ else if .Network }}
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# {{ .Container.Name }}
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server {{ .Network.IP }}:{{ .Address.Port }};
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{{ end }}
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{{ else if .Network }}
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# {{ .Container.Name }}
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server {{ .Network.IP }} down;
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{{ end }}
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{{ end }}
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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 Upgrade, set Connection to "upgrade"; otherwise, delete any
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# Connection header that may have been passed to this server
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map $http_upgrade $proxy_connection {
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default upgrade;
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'' close;
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}
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gzip_types text/plain text/css application/javascript application/json application/x-javascript text/xml application/xml application/xml+rss text/javascript;
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log_format vhost '$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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{{ if (exists "/etc/nginx/proxy.conf") }}
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include /etc/nginx/proxy.conf;
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{{ else }}
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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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{{ end }}
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server {
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server_name _; # This is just an invalid value which will never trigger 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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{{ if (and (exists "/etc/nginx/certs/default.crt") (exists "/etc/nginx/certs/default.key")) }}
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server {
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server_name _; # This is just an invalid value which will never trigger on a real hostname.
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listen 443 ssl http2;
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access_log /var/log/nginx/access.log vhost;
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return 503;
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ssl_certificate /etc/nginx/certs/default.crt;
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ssl_certificate_key /etc/nginx/certs/default.key;
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}
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{{ end }}
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{{ range $host, $containers := groupByMulti $ "Env.VIRTUAL_HOST" "," }}
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upstream {{ $host }} {
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{{ range $container := $containers }}
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{{ $addrLen := len $container.Addresses }}
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{{ range $knownNetwork := $CurrentContainer.Networks }}
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{{ range $containerNetwork := $container.Networks }}
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{{ if eq $knownNetwork.Name $containerNetwork.Name }}
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## Can be connect with "{{ $containerNetwork.Name }}" network
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{{/* If only 1 port exposed, use that */}}
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{{ if eq $addrLen 1 }}
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{{ $address := index $container.Addresses 0 }}
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{{ template "upstream" (dict "Container" $container "Address" $address "Network" $containerNetwork) }}
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{{/* If more than one port exposed, use the one matching VIRTUAL_PORT env var, falling back to standard web port 80 */}}
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{{ else }}
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{{ $port := coalesce $container.Env.VIRTUAL_PORT "80" }}
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{{ $address := where $container.Addresses "Port" $port | first }}
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{{ template "upstream" (dict "Container" $container "Address" $address "Network" $containerNetwork) }}
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{{ end }}
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{{ end }}
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{{ end }}
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{{ end }}
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{{ end }}
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}
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{{ $default_host := or ($.Env.DEFAULT_HOST) "" }}
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{{ $default_server := index (dict $host "" $default_host "default_server") $host }}
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{{/* Get the VIRTUAL_PROTO defined by containers w/ the same vhost, falling back to "http" */}}
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{{ $proto := or (first (groupByKeys $containers "Env.VIRTUAL_PROTO")) "http" }}
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{{/* Get the HTTPS_METHOD defined by containers w/ the same vhost, falling back to "redirect" */}}
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{{ $https_method := or (first (groupByKeys $containers "Env.HTTPS_METHOD")) "redirect" }}
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{{/* Get the first cert name defined by containers w/ the same vhost */}}
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{{ $certName := (first (groupByKeys $containers "Env.CERT_NAME")) }}
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{{/* Get the best matching cert by name for the vhost. */}}
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{{ $vhostCert := (closest (dir "/etc/nginx/certs") (printf "%s.crt" $host))}}
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{{/* vhostCert is actually a filename so remove any suffixes since they are added later */}}
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{{ $vhostCert := replace $vhostCert ".crt" "" -1 }}
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{{ $vhostCert := replace $vhostCert ".key" "" -1 }}
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{{/* Use the cert specified on the container or fallback to the best vhost match */}}
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{{ $cert := (coalesce $certName $vhostCert) }}
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{{ $is_https := (and (ne $cert "") (exists (printf "/etc/nginx/certs/%s.crt" $cert)) (exists (printf "/etc/nginx/certs/%s.key" $cert))) }}
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{{ if $is_https }}
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{{ if eq $https_method "redirect" }}
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server {
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server_name {{ $host }};
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listen 80 {{ $default_server }};
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access_log /var/log/nginx/access.log vhost;
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return 301 https://$host$request_uri;
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}
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{{ end }}
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server {
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server_name {{ $host }};
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listen 443 ssl http2 {{ $default_server }};
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access_log /var/log/nginx/access.log vhost;
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ssl_protocols TLSv1 TLSv1.1 TLSv1.2;
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ssl_ciphers ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-AES256-GCM-SHA384:DHE-RSA-AES128-GCM-SHA256:DHE-DSS-AES128-GCM-SHA256:kEDH+AESGCM:ECDHE-RSA-AES128-SHA256:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA:ECDHE-ECDSA-AES128-SHA:ECDHE-RSA-AES256-SHA384:ECDHE-ECDSA-AES256-SHA384:ECDHE-RSA-AES256-SHA:ECDHE-ECDSA-AES256-SHA:DHE-RSA-AES128-SHA256:DHE-RSA-AES128-SHA:DHE-DSS-AES128-SHA256:DHE-RSA-AES256-SHA256:DHE-DSS-AES256-SHA:DHE-RSA-AES256-SHA:AES128-GCM-SHA256:AES256-GCM-SHA384:AES128-SHA256:AES256-SHA256:AES128-SHA:AES256-SHA:AES:CAMELLIA:DES-CBC3-SHA:!aNULL:!eNULL:!EXPORT:!DES:!RC4:!MD5:!PSK:!aECDH:!EDH-DSS-DES-CBC3-SHA:!EDH-RSA-DES-CBC3-SHA:!KRB5-DES-CBC3-SHA;
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ssl_prefer_server_ciphers on;
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ssl_session_timeout 5m;
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ssl_session_cache shared:SSL:50m;
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ssl_certificate /etc/nginx/certs/{{ (printf "%s.crt" $cert) }};
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ssl_certificate_key /etc/nginx/certs/{{ (printf "%s.key" $cert) }};
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{{ if (exists (printf "/etc/nginx/certs/%s.dhparam.pem" $cert)) }}
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ssl_dhparam {{ printf "/etc/nginx/certs/%s.dhparam.pem" $cert }};
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{{ end }}
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{{ if (ne $https_method "noredirect") }}
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add_header Strict-Transport-Security "max-age=31536000";
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{{ end }}
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{{ if (exists (printf "/etc/nginx/vhost.d/%s" $host)) }}
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include {{ printf "/etc/nginx/vhost.d/%s" $host }};
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{{ else if (exists "/etc/nginx/vhost.d/default") }}
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include /etc/nginx/vhost.d/default;
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{{ end }}
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location / {
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proxy_pass {{ trim $proto }}://{{ trim $host }};
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{{ if (exists (printf "/etc/nginx/htpasswd/%s" $host)) }}
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auth_basic "Restricted {{ $host }}";
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auth_basic_user_file {{ (printf "/etc/nginx/htpasswd/%s" $host) }};
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{{ end }}
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{{ if (exists (printf "/etc/nginx/vhost.d/%s_location" $host)) }}
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include {{ printf "/etc/nginx/vhost.d/%s_location" $host}};
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{{ else if (exists "/etc/nginx/vhost.d/default_location") }}
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include /etc/nginx/vhost.d/default_location;
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{{ end }}
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}
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}
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{{ end }}
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{{ if or (not $is_https) (eq $https_method "noredirect") }}
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server {
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server_name {{ $host }};
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listen 80 {{ $default_server }};
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access_log /var/log/nginx/access.log vhost;
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{{ if (exists (printf "/etc/nginx/vhost.d/%s" $host)) }}
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include {{ printf "/etc/nginx/vhost.d/%s" $host }};
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{{ else if (exists "/etc/nginx/vhost.d/default") }}
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include /etc/nginx/vhost.d/default;
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{{ end }}
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location / {
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proxy_pass {{ trim $proto }}://{{ trim $host }};
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{{ if (exists (printf "/etc/nginx/htpasswd/%s" $host)) }}
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auth_basic "Restricted {{ $host }}";
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auth_basic_user_file {{ (printf "/etc/nginx/htpasswd/%s" $host) }};
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{{ end }}
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{{ if (exists (printf "/etc/nginx/vhost.d/%s_location" $host)) }}
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include {{ printf "/etc/nginx/vhost.d/%s_location" $host}};
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{{ else if (exists "/etc/nginx/vhost.d/default_location") }}
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include /etc/nginx/vhost.d/default_location;
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{{ end }}
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}
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}
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{{ if (and (not $is_https) (exists "/etc/nginx/certs/default.crt") (exists "/etc/nginx/certs/default.key")) }}
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server {
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server_name {{ $host }};
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listen 443 ssl http2 {{ $default_server }};
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access_log /var/log/nginx/access.log vhost;
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return 500;
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ssl_certificate /etc/nginx/certs/default.crt;
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ssl_certificate_key /etc/nginx/certs/default.key;
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}
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{{ end }}
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{{ end }}
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{{ end }}
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