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Add support for accepting the Proxy Protocol #1487

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Add support for accepting the Proxy Protocol #1487

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33 changes: 21 additions & 12 deletions nginx.tmpl
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Original file line number Diff line number Diff line change
Expand Up @@ -105,6 +105,13 @@ map $scheme $proxy_x_forwarded_ssl {

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

{{ if and $.Env.ACCEPT_PROXY_PROTOCOL $.Env.SET_REAL_IP_FROM }}
{{ range split $.Env.SET_REAL_IP_FROM "," }}
set_real_ip_from {{ . }};
{{ end }}
real_ip_header proxy_protocol;
{{ end }}

log_format vhost '$host $remote_addr - $remote_user [$time_local] '
'"$request" $status $body_bytes_sent '
'"$http_referer" "$http_user_agent"';
Expand Down Expand Up @@ -140,12 +147,14 @@ proxy_set_header Proxy "";

{{ $access_log := (or (and (not $.Env.DISABLE_ACCESS_LOGS) "access_log /var/log/nginx/access.log vhost;") "") }}

{{ $proxy_protocol := (and (or ($.Env.ACCEPT_PROXY_PROTOCOL) "") "proxy_protocol") }}

{{ $enable_ipv6 := eq (or ($.Env.ENABLE_IPV6) "") "true" }}
server {
server_name _; # This is just an invalid value which will never trigger on a real hostname.
listen {{ $external_http_port }};
listen {{ $external_http_port }} {{ $proxy_protocol }};
{{ if $enable_ipv6 }}
listen [::]:{{ $external_http_port }};
listen [::]:{{ $external_http_port }} {{ $proxy_protocol }};
{{ end }}
{{ $access_log }}
return 503;
Expand All @@ -154,9 +163,9 @@ server {
{{ if (and (exists "/etc/nginx/certs/default.crt") (exists "/etc/nginx/certs/default.key")) }}
server {
server_name _; # This is just an invalid value which will never trigger on a real hostname.
listen {{ $external_https_port }} ssl http2;
listen {{ $external_https_port }} ssl http2 {{ $proxy_protocol }};
{{ if $enable_ipv6 }}
listen [::]:{{ $external_https_port }} ssl http2;
listen [::]:{{ $external_https_port }} ssl http2 {{ $proxy_protocol }};
{{ end }}
{{ $access_log }}
return 503;
Expand Down Expand Up @@ -246,9 +255,9 @@ upstream {{ $upstream_name }} {
{{ if eq $https_method "redirect" }}
server {
server_name {{ $host }};
listen {{ $external_http_port }} {{ $default_server }};
listen {{ $external_http_port }} {{ $default_server }} {{ $proxy_protocol }};
{{ if $enable_ipv6 }}
listen [::]:{{ $external_http_port }} {{ $default_server }};
listen [::]:{{ $external_http_port }} {{ $default_server }} {{ $proxy_protocol }};
{{ end }}
{{ $access_log }}

Expand All @@ -269,9 +278,9 @@ server {

server {
server_name {{ $host }};
listen {{ $external_https_port }} ssl http2 {{ $default_server }};
listen {{ $external_https_port }} ssl http2 {{ $default_server }} {{ $proxy_protocol }};
{{ if $enable_ipv6 }}
listen [::]:{{ $external_https_port }} ssl http2 {{ $default_server }};
listen [::]:{{ $external_https_port }} ssl http2 {{ $default_server }} {{ $proxy_protocol }};
{{ end }}
{{ $access_log }}

Expand Down Expand Up @@ -341,9 +350,9 @@ server {

server {
server_name {{ $host }};
listen {{ $external_http_port }} {{ $default_server }};
listen {{ $external_http_port }} {{ $default_server }} {{ $proxy_protocol }};
{{ if $enable_ipv6 }}
listen [::]:80 {{ $default_server }};
listen [::]:80 {{ $default_server }} {{ $proxy_protocol }};
{{ end }}
{{ $access_log }}

Expand Down Expand Up @@ -386,9 +395,9 @@ server {
{{ if (and (not $is_https) (exists "/etc/nginx/certs/default.crt") (exists "/etc/nginx/certs/default.key")) }}
server {
server_name {{ $host }};
listen {{ $external_https_port }} ssl http2 {{ $default_server }};
listen {{ $external_https_port }} ssl http2 {{ $default_server }} {{ $proxy_protocol }};
{{ if $enable_ipv6 }}
listen [::]:{{ $external_https_port }} ssl http2 {{ $default_server }};
listen [::]:{{ $external_https_port }} ssl http2 {{ $default_server }} {{ $proxy_protocol }};
{{ end }}
{{ $access_log }}
return 500;
Expand Down