mattermost-docker/nginx/without-ssl-conf.d/default.conf

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###########
# mattermost
# This configuration file is for use by people behind some load balancer which already terminates SSL
# where the user may desire not to use backend letsencrypt SSL within a secured network.
# proxy cache
proxy_cache_path /var/cache/nginx levels=1:2 keys_zone=mattermost_cache:10m max_size=3g inactive=120m use_temp_path=off;
# upstream used in proxy_pass below
upstream backend {
# ip where Mattermost is running; this relies on a working DNS inside the Docker network
# and uses the hostname of the mattermost container (see service name in docker-compose.yml)
server mattermost:8065;
keepalive 64;
}
server {
server_name _;
listen 80;
listen [::]:80;
# logging
access_log /var/log/nginx/mm.access.log;
error_log /var/log/nginx/mm.error.log warn;
# gzip for performance
gzip on;
gzip_vary on;
gzip_proxied any;
gzip_comp_level 6;
gzip_types text/plain text/css text/xml application/json application/javascript application/rss+xml application/atom+xml image/svg+xml;
## security headers
# https://securityheaders.com/
# https://scotthelme.co.uk/tag/security-headers/
add_header X-Frame-Options "SAMEORIGIN" always;
add_header X-XSS-Protection "1; mode=block" always;
add_header X-Content-Type-Options "nosniff" always;
add_header Referrer-Policy no-referrer;
add_header Strict-Transport-Security "max-age=63072000" always;
add_header Permissions-Policy "interest-cohort=()";
## locations
# disable Google bots from indexing this site
location = /robots.txt {
add_header Content-Type text/plain;
return 200 "User-agent: *\nDisallow: /\n";
}
location ~ /api/v[0-9]+/(users/)?websocket$ {
proxy_set_header Upgrade $http_upgrade;
proxy_set_header Connection "upgrade";
client_max_body_size 50M;
proxy_set_header Host $http_host;
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
proxy_set_header X-Forwarded-Proto $scheme;
proxy_set_header X-Frame-Options SAMEORIGIN;
proxy_set_header Early-Data $ssl_early_data;
proxy_buffers 256 16k;
proxy_buffer_size 16k;
client_body_timeout 60;
send_timeout 300;
lingering_timeout 5;
proxy_connect_timeout 90;
proxy_send_timeout 300;
proxy_read_timeout 90s;
proxy_http_version 1.1;
proxy_pass http://backend;
}
location / {
client_max_body_size 50M;
proxy_set_header Connection "";
proxy_set_header Host $http_host;
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
proxy_set_header X-Forwarded-Proto $scheme;
proxy_set_header X-Frame-Options SAMEORIGIN;
proxy_set_header Early-Data $ssl_early_data;
proxy_buffers 256 16k;
proxy_buffer_size 16k;
proxy_read_timeout 600s;
proxy_cache mattermost_cache;
proxy_cache_revalidate on;
proxy_cache_min_uses 2;
proxy_cache_use_stale timeout;
proxy_cache_lock on;
proxy_http_version 1.1;
proxy_pass http://backend;
}
}