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mailu/nginx-no-https/nginx.conf.default

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# Basic configuration
user nginx;
worker_processes 1;
error_log /dev/stderr info;
pid /var/run/nginx.pid;
events {
worker_connections 1024;
}
# Environment variables used in the configuration
env WEBMAIL;
env WEBDAV;
env EXPOSE_ADMIN;
http {
# Standard HTTP configuration with slight hardening
include /etc/nginx/mime.types;
default_type application/octet-stream;
access_log /dev/stdout;
sendfile on;
keepalive_timeout 65;
server_tokens off;
server {
listen 80;
listen [::]:80;
# Load Lua variables
set_by_lua $webmail 'return os.getenv("WEBMAIL")';
set_by_lua $webdav 'return os.getenv("WEBDAV")';
set_by_lua $expose_admin 'return os.getenv("EXPOSE_ADMIN")';
# Actual logic
location / {
if ($webmail != none) {
return 301 $scheme://$host/webmail/;
}
if ($webmail = none) {
return 403;
}
}
location /webmail {
if ($webmail != none) {
proxy_pass http://webmail;
}
if ($webmail = none) {
return 403;
}
}
location /admin {
if ($expose_admin = yes) {
proxy_pass http://admin;
}
if ($expose_admin != yes) {
return 403;
}
}
location /webdav {
if ($webdav != none) {
proxy_pass http://webdav:5232;
}
if ($webdav = none) {
return 403;
}
}
location /.well-known/acme-challenge {
proxy_pass http://admin:8081;
}
}
}