nginx-proxy/nginx.tmpl

{{- /*
     * Global values.  Values are stored in this map rather than in individual
     * global variables so that the values can be easily passed to embedded
     * templates.  (Go templates cannot access variables outside of their own
     * scope.)
     */}}
{{- $globals := dict }}
{{- $_ := set $globals "containers" $ }}
{{- $_ := set $globals "Env" $.Env }}
{{- $_ := set $globals "Docker" $.Docker }}
{{- $_ := set $globals "CurrentContainer" (where $globals.containers "ID" $globals.Docker.CurrentContainerID | first) }}
{{- $_ := set $globals "nginx_proxy_version" (coalesce $globals.Env.NGINX_PROXY_VERSION "") }}
{{- $_ := set $globals "external_http_port" (coalesce $globals.Env.HTTP_PORT "80") }}
{{- $_ := set $globals "external_https_port" (coalesce $globals.Env.HTTPS_PORT "443") }}
{{- $_ := set $globals "debug_all" $globals.Env.DEBUG }}
{{- $_ := set $globals "sha1_upstream_name" (parseBool (coalesce $globals.Env.SHA1_UPSTREAM_NAME "false")) }}
{{- $_ := set $globals "default_root_response" (coalesce $globals.Env.DEFAULT_ROOT "404") }}
{{- $_ := set $globals "trust_downstream_proxy" (parseBool (coalesce $globals.Env.TRUST_DOWNSTREAM_PROXY "true")) }}
{{- $_ := set $globals "access_log" (or (and (not $globals.Env.DISABLE_ACCESS_LOGS) "access_log /var/log/nginx/access.log vhost;") "") }}
{{- $_ := set $globals "enable_ipv6" (parseBool (coalesce $globals.Env.ENABLE_IPV6 "false")) }}
{{- $_ := set $globals "ssl_policy" (or ($globals.Env.SSL_POLICY) "Mozilla-Intermediate") }}

{{- define "ssl_policy" }}
    {{- if eq .ssl_policy "Mozilla-Modern" }}
    ssl_protocols TLSv1.3;
        {{- /*
             * nginx currently lacks ability to choose ciphers in TLS 1.3 in
             * configuration; see https://trac.nginx.org/nginx/ticket/1529.  A
             * possible workaround can be modify /etc/ssl/openssl.cnf to change
             * it globally (see
             * https://trac.nginx.org/nginx/ticket/1529#comment:12).  Explicitly
             * set ngnix default value in order to allow single servers to
             * override the global http value.
             */}}
    ssl_ciphers HIGH:!aNULL:!MD5;
    ssl_prefer_server_ciphers off;
    {{- else if eq .ssl_policy "Mozilla-Intermediate" }}
    ssl_protocols TLSv1.2 TLSv1.3;
    ssl_ciphers 'ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:DHE-RSA-AES128-GCM-SHA256:DHE-RSA-AES256-GCM-SHA384';
    ssl_prefer_server_ciphers off;
    {{- else if eq .ssl_policy "Mozilla-Old" }}
    ssl_protocols TLSv1 TLSv1.1 TLSv1.2 TLSv1.3;
    ssl_ciphers 'ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:DHE-RSA-AES128-GCM-SHA256:DHE-RSA-AES256-GCM-SHA384:DHE-RSA-CHACHA20-POLY1305:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA256:ECDHE-ECDSA-AES128-SHA:ECDHE-RSA-AES128-SHA:ECDHE-ECDSA-AES256-SHA384:ECDHE-RSA-AES256-SHA384:ECDHE-ECDSA-AES256-SHA:ECDHE-RSA-AES256-SHA:DHE-RSA-AES128-SHA256:DHE-RSA-AES256-SHA256:AES128-GCM-SHA256:AES256-GCM-SHA384:AES128-SHA256:AES256-SHA256:AES128-SHA:AES256-SHA:DES-CBC3-SHA';
    ssl_prefer_server_ciphers on;
    {{- else if eq .ssl_policy "AWS-TLS-1-2-2017-01" }}
    ssl_protocols TLSv1.2 TLSv1.3;
    ssl_ciphers 'ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA256:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-AES256-SHA384:ECDHE-RSA-AES256-SHA384:AES128-GCM-SHA256:AES128-SHA256:AES256-GCM-SHA384:AES256-SHA256';
    ssl_prefer_server_ciphers on;
    {{- else if eq .ssl_policy "AWS-TLS-1-1-2017-01" }}
    ssl_protocols TLSv1.1 TLSv1.2 TLSv1.3;
    ssl_ciphers 'ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA256:ECDHE-ECDSA-AES128-SHA:ECDHE-RSA-AES128-SHA:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-AES256-SHA384:ECDHE-RSA-AES256-SHA384:ECDHE-RSA-AES256-SHA:ECDHE-ECDSA-AES256-SHA:AES128-GCM-SHA256:AES128-SHA256:AES128-SHA:AES256-GCM-SHA384:AES256-SHA256:AES256-SHA';
    ssl_prefer_server_ciphers on;
    {{- else if eq .ssl_policy "AWS-2016-08" }}
    ssl_protocols TLSv1 TLSv1.1 TLSv1.2 TLSv1.3;
    ssl_ciphers 'ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA256:ECDHE-ECDSA-AES128-SHA:ECDHE-RSA-AES128-SHA:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-AES256-SHA384:ECDHE-RSA-AES256-SHA384:ECDHE-RSA-AES256-SHA:ECDHE-ECDSA-AES256-SHA:AES128-GCM-SHA256:AES128-SHA256:AES128-SHA:AES256-GCM-SHA384:AES256-SHA256:AES256-SHA';
    ssl_prefer_server_ciphers on;
    {{- else if eq .ssl_policy "AWS-2015-05" }}
    ssl_protocols TLSv1 TLSv1.1 TLSv1.2 TLSv1.3;
    ssl_ciphers 'ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA256:ECDHE-ECDSA-AES128-SHA:ECDHE-RSA-AES128-SHA:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-AES256-SHA384:ECDHE-RSA-AES256-SHA384:ECDHE-RSA-AES256-SHA:ECDHE-ECDSA-AES256-SHA:AES128-GCM-SHA256:AES128-SHA256:AES128-SHA:AES256-GCM-SHA384:AES256-SHA256:AES256-SHA:DES-CBC3-SHA';
    ssl_prefer_server_ciphers on;
    {{- else if eq .ssl_policy "AWS-2015-03" }}
    ssl_protocols TLSv1 TLSv1.1 TLSv1.2 TLSv1.3;
    ssl_ciphers 'ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA256:ECDHE-ECDSA-AES128-SHA:ECDHE-RSA-AES128-SHA:DHE-RSA-AES128-SHA:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-AES256-SHA384:ECDHE-RSA-AES256-SHA384:ECDHE-RSA-AES256-SHA:ECDHE-ECDSA-AES256-SHA:AES128-GCM-SHA256:AES128-SHA256:AES128-SHA:AES256-GCM-SHA384:AES256-SHA256:AES256-SHA:DHE-DSS-AES128-SHA:DES-CBC3-SHA';
    ssl_prefer_server_ciphers on;
    {{- else if eq .ssl_policy "AWS-2015-02" }}
    ssl_protocols TLSv1 TLSv1.1 TLSv1.2 TLSv1.3;
    ssl_ciphers 'ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA256:ECDHE-ECDSA-AES128-SHA:ECDHE-RSA-AES128-SHA:DHE-RSA-AES128-SHA:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-AES256-SHA384:ECDHE-RSA-AES256-SHA384:ECDHE-RSA-AES256-SHA:ECDHE-ECDSA-AES256-SHA:AES128-GCM-SHA256:AES128-SHA256:AES128-SHA:AES256-GCM-SHA384:AES256-SHA256:AES256-SHA:DHE-DSS-AES128-SHA';
    ssl_prefer_server_ciphers on;
    {{- end }}
{{- end }}

{{- define "location" }}
    location {{ .Path }} {
    {{- if eq .NetworkTag "internal" }}
        # Only allow traffic from internal clients
        include /etc/nginx/network_internal.conf;
    {{- end }}

    {{- if eq .Proto "uwsgi" }}
        include uwsgi_params;
        uwsgi_pass {{ trim .Proto }}://{{ trim .Upstream }};
    {{- else if eq .Proto "fastcgi" }}
        root {{ trim .VhostRoot }};
        include fastcgi_params;
        fastcgi_pass {{ trim .Upstream }};
    {{- else if eq .Proto "grpc" }}
        grpc_pass {{ trim .Proto }}://{{ trim .Upstream }};
    {{- else }}
        proxy_pass {{ trim .Proto }}://{{ trim .Upstream }}{{ trim .Dest }};
    {{- end }}

    {{- if (exists (printf "/etc/nginx/htpasswd/%s" .Host)) }}
        auth_basic "Restricted {{ .Host }}";
        auth_basic_user_file {{ (printf "/etc/nginx/htpasswd/%s" .Host) }};
    {{- end }}

    {{- if (exists (printf "/etc/nginx/vhost.d/%s_%s_location" .Host (sha1 .Path) )) }}
        include {{ printf "/etc/nginx/vhost.d/%s_%s_location" .Host (sha1 .Path) }};
    {{- else if (exists (printf "/etc/nginx/vhost.d/%s_location" .Host)) }}
        include {{ printf "/etc/nginx/vhost.d/%s_location" .Host}};
    {{- else if (exists "/etc/nginx/vhost.d/default_location") }}
        include /etc/nginx/vhost.d/default_location;
    {{- end }}
    }
{{- end }}

{{- define "upstream" }}
    {{- $networks := .Networks }}
    {{- $debug_all := .Debug }}
upstream {{ .Upstream }} {
    {{- $server_found := false }}
    {{- range $container := .Containers }}
        {{- $debug := parseBool (coalesce $container.Env.DEBUG $debug_all "false") }}
        {{- /* If only 1 port exposed, use that as a default, else 80 */}}
        {{- $defaultPort := (when (eq (len $container.Addresses) 1) (first $container.Addresses) (dict "Port" "80")).Port }}
        {{- $port := (coalesce $container.Env.VIRTUAL_PORT $defaultPort) }}
        {{- $address := where $container.Addresses "Port" $port | first }}
        {{- if $debug }}
    # Exposed ports: {{ $container.Addresses }}
    # Default virtual port: {{ $defaultPort }}
    # VIRTUAL_PORT: {{ $container.Env.VIRTUAL_PORT }}
            {{- if not $address }}
    # /!\ Virtual port not exposed
            {{- end }}
        {{- end }}
        {{- range $knownNetwork := $networks }}
            {{- range $containerNetwork := sortObjectsByKeysAsc $container.Networks "Name" }}
                {{- if (and (ne $containerNetwork.Name "ingress") (or (eq $knownNetwork.Name $containerNetwork.Name) (eq $knownNetwork.Name "host"))) }}
    ## Can be connected with "{{ $containerNetwork.Name }}" network
                    {{- if $address }}
                        {{- /*
                             * If we got the containers from swarm and this
                             * container's port is published to host, use host
                             * IP:PORT.
                             */}}
                        {{- if and $container.Node.ID $address.HostPort }}
                            {{- $server_found = true }}
    # {{ $container.Node.Name }}/{{ $container.Name }}
    server {{ $container.Node.Address.IP }}:{{ $address.HostPort }};
                            {{- /*
                                 * If there is no swarm node or the port is not
                                 * published on host, use container's IP:PORT.
                                 */}}
                        {{- else if $containerNetwork }}
                            {{- $server_found = true }}
    # {{ $container.Name }}
    server {{ $containerNetwork.IP }}:{{ $address.Port }};
                        {{- end }}
                    {{- else if $containerNetwork }}
    # {{ $container.Name }}
                        {{- if $containerNetwork.IP }}
                            {{- $server_found = true }}
    server {{ $containerNetwork.IP }}:{{ $port }};
                        {{- else }}
    # /!\ No IP for this network!
                        {{- end }}
                    {{- end }}
                {{- else }}
    # Cannot connect to network '{{ $containerNetwork.Name }}' of this container
                {{- end }}
            {{- end }}
        {{- end }}
    {{- end }}
    {{- /* nginx-proxy/nginx-proxy#1105 */}}
    {{- if not $server_found }}
    # Fallback entry
    server 127.0.0.1 down;
    {{- end }}
}
{{- end }}

{{- if ne $globals.nginx_proxy_version "" }}
# nginx-proxy version : {{ $globals.nginx_proxy_version }}
{{- end }}

# 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 {{ if $globals.trust_downstream_proxy }}$http_x_forwarded_proto{{ else }}$scheme{{ end }};
    '' $scheme;
}

map $http_x_forwarded_host $proxy_x_forwarded_host {
    default {{ if $globals.trust_downstream_proxy }}$http_x_forwarded_host{{ else }}$http_host{{ end }};
    '' $http_host;
}

# If we receive X-Forwarded-Port, pass it through; otherwise, pass along the
# server port the client connected to
map $http_x_forwarded_port $proxy_x_forwarded_port {
    default {{ if $globals.trust_downstream_proxy }}$http_x_forwarded_port{{ else }}$server_port{{ end }};
    '' $server_port;
}

# If we receive Upgrade, set Connection to "upgrade"; otherwise, preserve
# NGINX's default behavior ("Connection: close").
map $http_upgrade $proxy_connection {
    default upgrade;
    '' close;
}

# Apply fix for very long server names
server_names_hash_bucket_size 128;

# Default dhparam
{{- if (exists "/etc/nginx/dhparam/dhparam.pem") }}
ssl_dhparam /etc/nginx/dhparam/dhparam.pem;
{{- end }}

# Set appropriate X-Forwarded-Ssl header based on $proxy_x_forwarded_proto
map $proxy_x_forwarded_proto $proxy_x_forwarded_ssl {
    default off;
    https on;
}

gzip_types text/plain text/css application/javascript application/json application/x-javascript text/xml application/xml application/xml+rss text/javascript;

log_format vhost '$host $remote_addr - $remote_user [$time_local] '
                 '"$request" $status $body_bytes_sent '
                 '"$http_referer" "$http_user_agent" '
                 '"$upstream_addr"';

access_log off;

{{- template "ssl_policy" (dict "ssl_policy" $globals.ssl_policy) }}
error_log /dev/stderr;

{{- if $globals.Env.RESOLVERS }}
resolver {{ $globals.Env.RESOLVERS }};
{{- end }}

{{- if (exists "/etc/nginx/proxy.conf") }}
include /etc/nginx/proxy.conf;
{{- else }}
# 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-Host $proxy_x_forwarded_host;
proxy_set_header X-Forwarded-Proto $proxy_x_forwarded_proto;
proxy_set_header X-Forwarded-Ssl $proxy_x_forwarded_ssl;
proxy_set_header X-Forwarded-Port $proxy_x_forwarded_port;
proxy_set_header X-Original-URI $request_uri;

# Mitigate httpoxy attack (see README for details)
proxy_set_header Proxy "";
{{- end }}

server {
    server_name _; # This is just an invalid value which will never trigger on a real hostname.
    server_tokens off;
    listen {{ $globals.external_http_port }};
{{- if $globals.enable_ipv6 }}
    listen [::]:{{ $globals.external_http_port }};
{{- end }}
    {{ $globals.access_log }}
    return 503;

{{- if (and (exists "/etc/nginx/certs/default.crt") (exists "/etc/nginx/certs/default.key")) }}
    listen {{ $globals.external_https_port }} ssl http2;
    {{- if $globals.enable_ipv6 }}
    listen [::]:{{ $globals.external_https_port }} ssl http2;
    {{- end }}

    ssl_session_cache shared:SSL:50m;
    ssl_session_tickets off;
    ssl_certificate /etc/nginx/certs/default.crt;
    ssl_certificate_key /etc/nginx/certs/default.key;
{{- end }}
}

{{- range $host, $containers := groupByMulti $globals.containers "Env.VIRTUAL_HOST" "," }}

    {{- $host := trim $host }}
    {{- $is_regexp := hasPrefix "~" $host }}
    {{- $upstream_name := when (or $is_regexp $globals.sha1_upstream_name) (sha1 $host) $host }}

    {{- $paths := groupBy $containers "Env.VIRTUAL_PATH" }}
    {{- $nPaths := len $paths }}
    {{- if eq $nPaths 0 }}
        {{- $paths = dict "/" $containers }}
    {{- end }}

    {{- range $path, $containers := $paths }}
        {{- $upstream := $upstream_name }}
        {{- if gt $nPaths 0 }}
            {{- $sum := sha1 $path }}
            {{- $upstream = printf "%s-%s" $upstream $sum }}
        {{- end }}
# {{ $host }}{{ $path }}
{{ template "upstream" (dict "Upstream" $upstream "Containers" $containers "Networks" $globals.CurrentContainer.Networks "Debug" $globals.debug_all) }}
    {{- end }}

    {{- $default_host := or ($globals.Env.DEFAULT_HOST) "" }}
    {{- $default_server := index (dict $host "" $default_host "default_server") $host }}

    {{- /*
         * Get the SERVER_TOKENS defined by containers w/ the same vhost,
         * falling back to "".
         */}}
    {{- $server_tokens := trim (or (first (groupByKeys $containers "Env.SERVER_TOKENS")) "") }}


    {{- /*
         * Get the HTTPS_METHOD defined by containers w/ the same vhost, falling
         * back to "redirect".
         */}}
    {{- $https_method := or (first (groupByKeys $containers "Env.HTTPS_METHOD")) (or $globals.Env.HTTPS_METHOD "redirect") }}

    {{- /*
         * Get the SSL_POLICY defined by containers w/ the same vhost, falling
         * back to empty string (use default).
         */}}
    {{- $ssl_policy := or (first (groupByKeys $containers "Env.SSL_POLICY")) "" }}

    {{- /*
         * Get the HSTS defined by containers w/ the same vhost, falling back to
         * "max-age=31536000".
         */}}
    {{- $hsts := or (first (groupByKeys $containers "Env.HSTS")) (or $globals.Env.HSTS "max-age=31536000") }}

    {{- /* Get the VIRTUAL_ROOT By containers w/ use fastcgi root */}}
    {{- $vhost_root := or (first (groupByKeys $containers "Env.VIRTUAL_ROOT")) "/var/www/public" }}


    {{- /* Get the first cert name defined by containers w/ the same vhost */}}
    {{- $certName := (first (groupByKeys $containers "Env.CERT_NAME")) }}

    {{- /* Get the best matching cert by name for the vhost. */}}
    {{- $vhostCert := (closest (dir "/etc/nginx/certs") (printf "%s.crt" $host))}}

    {{- /*
         * vhostCert is actually a filename so remove any suffixes since they
         * are added later.
         */}}
    {{- $vhostCert := trimSuffix ".crt" $vhostCert }}
    {{- $vhostCert := trimSuffix ".key" $vhostCert }}

    {{- /*
         * Use the cert specified on the container or fallback to the best vhost
         * match.
         */}}
    {{- $cert := (coalesce $certName $vhostCert) }}

    {{- $is_https := (and (ne $https_method "nohttps") (ne $cert "") (exists (printf "/etc/nginx/certs/%s.crt" $cert)) (exists (printf "/etc/nginx/certs/%s.key" $cert))) }}

    {{- if and $is_https (eq $https_method "redirect") }}
server {
    server_name {{ $host }};
        {{- if $server_tokens }}
    server_tokens {{ $server_tokens }};
        {{- end }}
    listen {{ $globals.external_http_port }} {{ $default_server }};
        {{- if $globals.enable_ipv6 }}
    listen [::]:{{ $globals.external_http_port }} {{ $default_server }};
        {{- end }}
    {{ $globals.access_log }}

    # Do not HTTPS redirect Let's Encrypt ACME challenge
    location ^~ /.well-known/acme-challenge/ {
        auth_basic off;
        auth_request off;
        allow all;
        root /usr/share/nginx/html;
        try_files $uri =404;
        break;
    }

    location / {
        {{- if eq $globals.external_https_port "443" }}
        return 301 https://$host$request_uri;
        {{- else }}
        return 301 https://$host:{{ $globals.external_https_port }}$request_uri;
        {{- end }}
    }
}
    {{- end }}

server {
    server_name {{ $host }};
    {{- if $server_tokens }}
    server_tokens {{ $server_tokens }};
    {{- end }}
    {{ $globals.access_log }}
    {{- if or (not $is_https) (eq $https_method "noredirect") }}
    listen {{ $globals.external_http_port }} {{ $default_server }};
        {{- if $globals.enable_ipv6 }}
    listen [::]:{{ $globals.external_http_port }} {{ $default_server }};
        {{- end }}
    {{- end }}
    {{- if $is_https }}
    listen {{ $globals.external_https_port }} ssl http2 {{ $default_server }};
        {{- if $globals.enable_ipv6 }}
    listen [::]:{{ $globals.external_https_port }} ssl http2 {{ $default_server }};
        {{- end }}

        {{- template "ssl_policy" (dict "ssl_policy" $ssl_policy) }}

    ssl_session_timeout 5m;
    ssl_session_cache shared:SSL:50m;
    ssl_session_tickets off;

    ssl_certificate /etc/nginx/certs/{{ (printf "%s.crt" $cert) }};
    ssl_certificate_key /etc/nginx/certs/{{ (printf "%s.key" $cert) }};

        {{- if (exists (printf "/etc/nginx/certs/%s.dhparam.pem" $cert)) }}
    ssl_dhparam {{ printf "/etc/nginx/certs/%s.dhparam.pem" $cert }};
        {{- end }}

        {{- if (exists (printf "/etc/nginx/certs/%s.chain.pem" $cert)) }}
    ssl_stapling on;
    ssl_stapling_verify on;
    ssl_trusted_certificate {{ printf "/etc/nginx/certs/%s.chain.pem" $cert }};
        {{- end }}

        {{- if (not (or (eq $https_method "noredirect") (eq $hsts "off"))) }}
    set $sts_header "";
    if ($https) {
        set $sts_header "{{ trim $hsts }}";
    }
    add_header Strict-Transport-Security $sts_header always;
        {{- end }}
    {{- end }}

    {{- if (exists (printf "/etc/nginx/vhost.d/%s" $host)) }}
    include {{ printf "/etc/nginx/vhost.d/%s" $host }};
    {{- else if (exists "/etc/nginx/vhost.d/default") }}
    include /etc/nginx/vhost.d/default;
    {{- end }}

    {{- range $path, $containers := $paths }}
        {{- /*
             * Get the VIRTUAL_PROTO defined by containers w/ the same
             * vhost-vpath, falling back to "http".
             */}}
        {{- $proto := trim (or (first (groupByKeys $containers "Env.VIRTUAL_PROTO")) "http") }}

        {{- /*
             * Get the NETWORK_ACCESS defined by containers w/ the same vhost,
             * falling back to "external".
             */}}
        {{- $network_tag := or (first (groupByKeys $containers "Env.NETWORK_ACCESS")) "external" }}
        {{- $upstream := $upstream_name }}
        {{- $dest := "" }}
        {{- if gt $nPaths 0 }}
            {{- $sum := sha1 $path }}
            {{- $upstream = printf "%s-%s" $upstream $sum }}
            {{- $dest = (or (first (groupByKeys $containers "Env.VIRTUAL_DEST")) "") }}
        {{- end }}
        {{- template "location" (dict "Path" $path "Proto" $proto "Upstream" $upstream "Host" $host "VhostRoot" $vhost_root "Dest" $dest "NetworkTag" $network_tag) }}
    {{- end }}
    {{- if (not (contains $paths "/")) }}
    location / {
        return {{ $globals.default_root_response }};
    }
    {{- end }}
}

    {{- if (and (not $is_https) (exists "/etc/nginx/certs/default.crt") (exists "/etc/nginx/certs/default.key")) }}
server {
    server_name {{ $host }};
        {{- if $server_tokens }}
    server_tokens {{ $server_tokens }};
        {{- end }}
    listen {{ $globals.external_https_port }} ssl http2 {{ $default_server }};
        {{- if $globals.enable_ipv6 }}
    listen [::]:{{ $globals.external_https_port }} ssl http2 {{ $default_server }};
        {{- end }}
    {{ $globals.access_log }}
    return 500;

    ssl_certificate /etc/nginx/certs/default.crt;
    ssl_certificate_key /etc/nginx/certs/default.key;
}
    {{- end }}

{{- end }}