# nginx-proxy{{ if $.Env.NGINX_PROXY_VERSION }} version : {{ $.Env.NGINX_PROXY_VERSION }}{{ end }}
{{- /*
* 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 "default_cert_ok" (and (exists "/etc/nginx/certs/default.crt") (exists "/etc/nginx/certs/default.key")) }}
{{- $_ := set $globals "external_http_port" (coalesce $globals.Env.HTTP_PORT "80") }}
{{- $_ := set $globals "external_https_port" (coalesce $globals.Env.HTTPS_PORT "443") }}
{{- $_ := 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") }}
{{- $_ := set $globals "vhosts" (dict) }}
{{- $_ := set $globals "networks" (dict) }}
# Networks available to the container running docker-gen (which are assumed to
# match the networks available to the container running nginx):
{{- /*
* Note: $globals.CurrentContainer may be nil in some circumstances due to
* <https://github.com/nginx-proxy/docker-gen/issues/458>;. For more context
* see <https://github.com/nginx-proxy/nginx-proxy/issues/2189>;.
*/}}
{{- if $globals.CurrentContainer }}
{{- range sortObjectsByKeysAsc $globals.CurrentContainer.Networks "Name" }}
{{- $_ := set $globals.networks .Name . }}
# {{ .Name }}
{{- else }}
# (none)
{{- end }}
{{- else }}
# /!\ WARNING: Failed to find the Docker container running docker-gen. All
# upstream (backend) application containers will appear to be
# unreachable. Try removing the -only-exposed and -only-published
# arguments to docker-gen if you pass either of those. See
# <https://github.com/nginx-proxy/docker-gen/issues/458>;.
{{- end }}
{{- /*
* Template used as a function to get a container's IP address. This
* template only outputs debug comments; the IP address is "returned" by
* storing the value in the provided dot dict.
*
* The provided dot dict is expected to have the following entries:
* - "globals": Global values.
* - "container": The container's RuntimeContainer struct.
*
* The return value will be added to the dot dict with key "ip".
*/}}
{{- define "container_ip" }}
{{- $ip := "" }}
# networks:
{{- range sortObjectsByKeysAsc $.container.Networks "Name" }}
{{- /*
* TODO: Only ignore the "ingress" network for Swarm tasks (in case
* the user is not using Swarm mode and names a network "ingress").
*/}}
{{- if eq .Name "ingress" }}
# {{ .Name }} (ignored)
{{- continue }}
{{- end }}
{{- if eq .Name "host" }}
{{- /* Handle containers in host nework mode */}}
{{- if (index $.globals.networks "host") }}
# both container and proxy are in host network mode, using localhost IP
{{- $ip = "127.0.0.1" }}
{{- continue }}
{{- end }}
{{- range sortObjectsByKeysAsc $.globals.CurrentContainer.Networks "Name" }}
{{- if and . .Gateway }}
# container is in host network mode, using {{ .Name }} gateway IP
{{- $ip = .Gateway }}
{{- break }}
{{- end }}
{{- end }}
{{- if $ip }}
{{- continue }}
{{- end }}
{{- end }}
{{- if and (not (index $.globals.networks .Name)) (not $.globals.networks.host) }}
# {{ .Name }} (unreachable)
{{- continue }}
{{- end }}
{{- /*
* Do not emit multiple `server` directives for this container if it
* is reachable over multiple networks. This avoids accidentally
* inflating the effective round-robin weight of a server due to the
* redundant upstream addresses that nginx sees as belonging to
* distinct servers.
*/}}
{{- if $ip }}
# {{ .Name }} (ignored; reachable but redundant)
{{- continue }}
{{- end }}
# {{ .Name }} (reachable)
{{- if and . .IP }}
{{- $ip = .IP }}
{{- else }}
# /!\ No IP for this network!
{{- end }}
{{- else }}
# (none)
{{- end }}
# IP address: {{ if $ip }}{{ $ip }}{{ else }}(none usable){{ end }}
{{- $_ := set $ "ip" $ip }}
{{- end }}
{{- /*
* Template used as a function to get the port of the server in the given
* container. This template only outputs debug comments; the port is
* "returned" by storing the value in the provided dot dict.
*
* The provided dot dict is expected to have the following entries:
* - "container": The container's RuntimeContainer struct.
*
* The return value will be added to the dot dict with key "port".
*/}}
{{- define "container_port" }}
{{- /* If only 1 port exposed, use that as a default, else 80. */}}
# exposed ports:{{ range sortObjectsByKeysAsc $.container.Addresses "Port" }} {{ .Port }}/{{ .Proto }}{{ else }} (none){{ end }}
{{- $default_port := when (eq (len $.container.Addresses) 1) (first $.container.Addresses).Port "80" }}
# default port: {{ $default_port }}
{{- $port := or $.container.Env.VIRTUAL_PORT $default_port }}
# using port: {{ $port }}
{{- $addr_obj := where $.container.Addresses "Port" $port | first }}
{{- if and $addr_obj $addr_obj.HostPort }}
# /!\ WARNING: Virtual port published on host. Clients
# might be able to bypass nginx-proxy and
# access the container's server directly.
{{- end }}
{{- $_ := set $ "port" $port }}
{{- end }}
{{- 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:DHE-RSA-CHACHA20-POLY1305';
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" }}
{{- $override := printf "/etc/nginx/vhost.d/%s_%s_location_override" .Host (sha1 .Path) }}
{{- if and (eq .Path "/") (not (exists $override)) }}
{{- $override = printf "/etc/nginx/vhost.d/%s_location_override" .Host }}
{{- end }}
{{- if exists $override }}
include {{ $override }};
{{- else }}
{{- $keepalive := first (keys (groupByLabel .Containers "com.github.nginx-proxy.nginx-proxy.keepalive")) }}
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 }};
{{- if $keepalive }}
fastcgi_keep_conn on;
{{- end }}
{{- else if eq .Proto "grpc" }}
grpc_pass {{ trim .Proto }}://{{ trim .Upstream }};
{{- else }}
proxy_pass {{ trim .Proto }}://{{ trim .Upstream }}{{ trim .Dest }};
set $upstream_keepalive {{ if $keepalive }}true{{ else }}false{{ end }};
{{- 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 }}
{{- end }}
{{- define "upstream" }}
upstream {{ .Upstream }} {
ip_hash; # Add ip_hash directive here
{{- $server_found := false }}
{{- $loadbalance := first (keys (groupByLabel .Containers "com.github.nginx-proxy.nginx-proxy.loadbalance")) }}
{{- if $loadbalance }}
# From the container's loadbalance label:
{{ $loadbalance }}
{{- end }}
{{- range $container := .Containers }}
# Container: {{ $container.Name }}
{{- $args := dict "globals" $.globals "container" $container }}
{{- template "container_ip" $args }}
{{- $ip := $args.ip }}
{{- $args := dict "container" $container }}
{{- template "container_port" $args }}
{{- $port := $args.port }}
{{- if $ip }}
{{- $server_found = true }}
server {{ $ip }}:{{ $port }};
{{- end }}
{{- end }}
{{- /* nginx-proxy/nginx-proxy#1105 */}}
{{- if not $server_found }}
# Fallback entry
server 127.0.0.1 down;
{{- end }}
{{- $keepalive := first (keys (groupByLabel .Containers "com.github.nginx-proxy.nginx-proxy.keepalive")) }}
{{- if $keepalive }}
keepalive {{ $keepalive }};
{{- end }}
}
{{- 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 the request from the downstream client has an "Upgrade:" header (set to any
# non-empty value), pass "Connection: upgrade" to the upstream (backend) server.
# Otherwise, the value for the "Connection" header depends on whether the user
# has enabled keepalive to the upstream server.
map $http_upgrade $proxy_connection {
default upgrade;
'' $proxy_connection_noupgrade;
}
map $upstream_keepalive $proxy_connection_noupgrade {
# Preserve nginx's default behavior (send "Connection: close").
default close;
# Use an empty string to cancel nginx's default behavior.
true '';
}
# Abuse the map directive (see <https://stackoverflow.com/q/14433309>) to ensure
# that $upstream_keepalive is always defined. This is necessary because:
# - The $proxy_connection variable is indirectly derived from
# $upstream_keepalive, so $upstream_keepalive must be defined whenever
# $proxy_connection is resolved.
# - The $proxy_connection variable is used in a proxy_set_header directive in
# the http block, so it is always fully resolved for every request -- even
# those where proxy_pass is not used (e.g., unknown virtual host).
map "" $upstream_keepalive {
# The value here should not matter because it should always be overridden in
# a location block (see the "location" template) for all requests where the
# value actually matters.
default false;
}
# 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 '{{ or $globals.Env.LOG_FORMAT "$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 }}
{{- /*
* Precompute some information about each vhost. This is done early because
* the creation of fallback servers depends on DEFAULT_HOST, HTTPS_METHOD,
* and whether there are any missing certs.
*/}}
{{- range $vhost, $containers := groupByMulti $globals.containers "Env.VIRTUAL_HOST" "," }}
{{- $vhost := trim $vhost }}
{{- if not $vhost }}
{{- /* Ignore containers with VIRTUAL_HOST set to the empty string. */}}
{{- continue }}
{{- end }}
{{- $certName := first (groupByKeys $containers "Env.CERT_NAME") }}
{{- $vhostCert := closest (dir "/etc/nginx/certs") (printf "%s.crt" $vhost) }}
{{- $vhostCert = trimSuffix ".crt" $vhostCert }}
{{- $vhostCert = trimSuffix ".key" $vhostCert }}
{{- $cert := or $certName $vhostCert }}
{{- $cert_ok := and (ne $cert "") (exists (printf "/etc/nginx/certs/%s.crt" $cert)) (exists (printf "/etc/nginx/certs/%s.key" $cert)) }}
{{- $default := eq $globals.Env.DEFAULT_HOST $vhost }}
{{- $https_method := or (first (groupByKeys $containers "Env.HTTPS_METHOD")) $globals.Env.HTTPS_METHOD "redirect" }}
{{- $_ := set $globals.vhosts $vhost (dict "cert" $cert "cert_ok" $cert_ok "containers" $containers "default" $default "https_method" $https_method) }}
{{- end }}
{{- /*
* If needed, create a catch-all fallback server to send an error code to
* clients that request something from an unknown vhost.
*
* This server must appear first in the generated config because nginx uses
* the first `server` directive to handle requests that don't match any of
* the other `server` directives. An alternative approach would be to add
* the `default_server` option to the `listen` directives inside this
* `server`, but some users inject a custom `server` directive that uses
* `default_server`. Using `default_server` here would cause nginx to fail
* to start for those users. See
* <https://github.com/nginx-proxy/nginx-proxy/issues/2212>;.
*/}}
{{- block "fallback_server" $globals }}
{{- $globals := . }}
{{- $http_exists := false }}
{{- $https_exists := false }}
{{- $default_http_exists := false }}
{{- $default_https_exists := false }}
{{- range $vhost := $globals.vhosts }}
{{- $http := or (ne $vhost.https_method "nohttp") (not $vhost.cert_ok) }}
{{- $https := ne $vhost.https_method "nohttps" }}
{{- $http_exists = or $http_exists $http }}
{{- $https_exists = or $https_exists $https }}
{{- $default_http_exists = or $default_http_exists (and $http $vhost.default) }}
{{- $default_https_exists = or $default_https_exists (and $https $vhost.default) }}
{{- end }}
{{- $fallback_http := and $http_exists (not $default_http_exists) }}
{{- $fallback_https := and $https_exists (not $default_https_exists) }}
{{- /*
* If there are no vhosts at all, create fallbacks for both plain http
* and https so that clients get something more useful than a connection
* refused error.
*/}}
{{- if and (not $http_exists) (not $https_exists) }}
{{- $fallback_http = true }}
{{- $fallback_https = true }}
{{- end }}
{{- if or $fallback_http $fallback_https }}
server {
server_name _; # This is just an invalid value which will never trigger on a real hostname.
server_tokens off;
http2 on;
{{- if $fallback_http }}
listen {{ $globals.external_http_port }}; {{- /* Do not add `default_server` (see comment above). */}}
{{- if $globals.enable_ipv6 }}
listen [::]:{{ $globals.external_http_port }}; {{- /* Do not add `default_server` (see comment above). */}}
{{- end }}
{{- end }}
{{- if $fallback_https }}
listen {{ $globals.external_https_port }} ssl; {{- /* Do not add `default_server` (see comment above). */}}
{{- if $globals.enable_ipv6 }}
listen [::]:{{ $globals.external_https_port }} ssl; {{- /* Do not add `default_server` (see comment above). */}}
{{- end }}
ssl_session_cache shared:SSL:50m;
ssl_session_tickets off;
{{- end }}
{{ $globals.access_log }}
{{- if $globals.default_cert_ok }}
ssl_certificate /etc/nginx/certs/default.crt;
ssl_certificate_key /etc/nginx/certs/default.key;
{{- else }}
# No default.crt certificate found for this vhost, so force nginx to emit a
# TLS error if the client connects via https.
{{- /* See the comment in the main `server` directive for rationale. */}}
ssl_ciphers aNULL;
set $empty "";
ssl_certificate data:$empty;
ssl_certificate_key data:$empty;
if ($https) {
return 444;
}
{{- end }}
return 503;
}
{{- end }}
{{- end }}
{{- range $host, $vhost := $globals.vhosts }}
{{- $cert := $vhost.cert }}
{{- $cert_ok := $vhost.cert_ok }}
{{- $containers := $vhost.containers }}
{{- $default_server := when $vhost.default "default_server" "" }}
{{- $https_method := $vhost.https_method }}
{{- $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 "globals" $globals "Upstream" $upstream "Containers" $containers) }}
{{- end }}
{{- /*
* 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 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" }}
{{- if and $cert_ok (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 }}
http2 on;
{{ $globals.access_log }}
{{- if or (eq $https_method "nohttps") (not $cert_ok) (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 ne $https_method "nohttps" }}
listen {{ $globals.external_https_port }} ssl {{ $default_server }};
{{- if $globals.enable_ipv6 }}
listen [::]:{{ $globals.external_https_port }} ssl {{ $default_server }};
{{- end }}
{{- if $cert_ok }}
{{- 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 }}
{{- else if $globals.default_cert_ok }}
# No certificate found for this vhost, so use the default certificate and
# return an error code if the user connects via https.
ssl_certificate /etc/nginx/certs/default.crt;
ssl_certificate_key /etc/nginx/certs/default.key;
if ($https) {
return 500;
}
{{- else }}
# No certificate found for this vhost, so force nginx to emit a TLS error if
# the client connects via https.
{{- /*
* The alternative is to not provide an https server for this
* vhost, which would either cause the user to see the wrong
* vhost (if there is another vhost with a certificate) or a
* connection refused error (if there is no other vhost with a
* certificate). A TLS error is easier to troubleshoot, and is
* safer than serving the wrong vhost. Also see
* <https://serverfault.com/a/1044022>;.
*/}}
ssl_ciphers aNULL;
set $empty "";
ssl_certificate data:$empty;
ssl_certificate_key data:$empty;
if ($https) {
return 444;
}
{{- 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 "Containers" $containers) }}
{{- end }}
{{- if and (not (contains $paths "/")) (ne $globals.default_root_response "none")}}
location / {
return {{ $globals.default_root_response }};
}
{{- end }}
}
{{- end }}
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