server {
    listen 80;
    listen [::]:80;
    server_name {{ mattermost_domain_name }};

    location /.well-known {
        alias /var/lib/dehydrated;
    }

    location /.well-known/acme-challenge {
        alias /var/lib/dehydrated/acme-challenges;
    }

    return 301 https://$server_name$request_uri;
}

upstream {{ mattermost_team_name }}_mattermost_backend {
   server localhost:{{ mattermost_port }};
   keepalive 32;
}

proxy_cache_path /var/cache/nginx/{{ mattermost_team_name }}_mattermost levels=1:2 keys_zone={{ mattermost_team_name }}_mattermost_cache:10m max_size=3g inactive=120m use_temp_path=off;

server {
    listen 443 ssl http2;
    listen [::]:443 ssl http2;
    server_name {{ mattermost_domain_name }};

    ssl on;
    ssl_certificate /var/lib/dehydrated/certs/{{ mattermost_domain_name }}/fullchain.pem;
    ssl_certificate_key /var/lib/dehydrated/certs/{{ mattermost_domain_name }}/privkey.pem;
    ssl_session_timeout 5m;
    ssl_protocols TLSv1.2 TLSv1.3;
    ssl_ciphers 'EECDH+AESGCM:EDH+AESGCM:AES256+EECDH:AES256+EDH:!ECDHE-RSA-AES256-SHA384:!ECDHE-RSA-AES256-SHA:!DHE-RSA-AES256-SHA256:!DHE-RSA-AES256-SHA';
    ssl_prefer_server_ciphers on;
    ssl_session_cache shared:SSL:10m;
    ssl_dhparam /etc/ssl/certs/dhparam.pem;
    add_header Strict-Transport-Security "max-age=31536000; includeSubDomains" always;

    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_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_pass http://{{ mattermost_team_name }}_mattermost_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_buffers 256 16k;
        proxy_buffer_size 16k;
        proxy_read_timeout 600s;
        proxy_cache {{ mattermost_team_name }}_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://{{ mattermost_team_name }}_mattermost_backend;
    }

    location /.well-known {
        alias /var/lib/dehydrated;
    }

    location /.well-known/acme-challenge {
        alias /var/lib/dehydrated/acme-challenges;
    }
}
