upstream django_backend {
    server 127.0.0.1:8000;
}

upstream prom_backend {
    server 127.0.0.1:9090;
}

upstream storefront_frontend {
    server 127.0.0.1:3000;
}

server {
    listen                          443 ssl http2;
    server_name                     api.schon.com;

    ssl_certificate                 /etc/letsencrypt/live/schon.com/fullchain.pem;
    ssl_certificate_key             /etc/letsencrypt/live/schon.com/privkey.pem;
    include                         /etc/letsencrypt/options-ssl-nginx.conf;
    ssl_dhparam                     /etc/letsencrypt/ssl-dhparams.pem;
    ssl_session_cache               shared:SSL:10m;

    add_header                      Strict-Transport-Security "max-age=31536000; includeSubDomains; preload" always;
    add_header                      X-Frame-Options SAMEORIGIN always;
    add_header                      X-Content-Type-Options nosniff always;
    add_header                      Referrer-Policy no-referrer-when-downgrade always;

    client_max_body_size            100M;

    location / {
        proxy_pass                  http://django_backend;
        proxy_set_header            Host $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_http_version          1.1;
        proxy_set_header            Upgrade $http_upgrade;
        proxy_set_header            Connection "upgrade";
        proxy_read_timeout          300;
        proxy_send_timeout          300;
    }

    location /favicon.ico {
        add_header                  Access-Control-Allow-Origin "*";
        root                        /var/jenkins/workspace/schon/static;
    }

    location = /robots.txt {
        add_header                  Access-Control-Allow-Origin "*";
        alias                       /var/jenkins/workspace/schon/static/robots_backend.txt;
        default_type                text/plain;
    }

    location /static/ {
        add_header                  Access-Control-Allow-Origin "*";
        root                        /var/jenkins/workspace/schon;
    }

    location /media/ {
        add_header                  Access-Control-Allow-Origin "*";
        root                        /var/jenkins/workspace/schon;
    }

    error_page                      500 502 503 504 /maintenance.html;

    location = /maintenance.html {
        add_header                  Access-Control-Allow-Origin "*";
        root                        /var/jenkins/workspace/schon/static;
        internal;
    }
}

server {
    listen                          443 ssl http2;
    server_name                     schon.com www.schon.com;

    ssl_certificate                 /etc/letsencrypt/live/schon.com/fullchain.pem;
    ssl_certificate_key             /etc/letsencrypt/live/schon.com/privkey.pem;
    include                         /etc/letsencrypt/options-ssl-nginx.conf;
    ssl_dhparam                     /etc/letsencrypt/ssl-dhparams.pem;
    ssl_session_cache               shared:SSL:10m;

    add_header                      Strict-Transport-Security "max-age=31536000; includeSubDomains; preload" always;
    add_header                      X-Frame-Options SAMEORIGIN always;
    add_header                      X-Content-Type-Options nosniff always;
    add_header                      Referrer-Policy no-referrer-when-downgrade always;

    location /favicon.ico {
        add_header                  Access-Control-Allow-Origin "*";
        root                        /var/jenkins/workspace/schon/static;
    }

    location = /robots.txt {
        add_header                  Access-Control-Allow-Origin "*";
        alias                       /var/jenkins/workspace/schon/static/robots_frontend.txt;
        default_type                text/plain;
    }

    location ~ ^/sitemap(?:-(?P<section>[a-z]+)(?:-(?P<page>\d+))?)?\.xml$ {
        proxy_pass                  http://django_backend$request_uri;
        proxy_set_header            Host $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            Accept "application/xml";
    }

    location / {
        proxy_pass                  http://storefront_frontend;
        proxy_set_header            Host $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;
    }

    location @maintenance {
        return                      503;
    }

    error_page                      503 404 500 502 504 /maintenance.html;

    location = /maintenance.html {
        add_header                  Access-Control-Allow-Origin "*";
        root                        /var/jenkins/workspace/schon/static;
        internal;
    }
}

server {
    listen                          443 ssl http2;
    server_name                     prometheus.schon.com;

    ssl_certificate                 /etc/letsencrypt/live/schon.com/fullchain.pem;
    ssl_certificate_key             /etc/letsencrypt/live/schon.com/privkey.pem;
    include                         /etc/letsencrypt/options-ssl-nginx.conf;
    ssl_dhparam                     /etc/letsencrypt/ssl-dhparams.pem;
    ssl_session_cache               shared:SSL:10m;

    add_header                      Strict-Transport-Security "max-age=31536000; includeSubDomains; preload" always;
    add_header                      X-Frame-Options SAMEORIGIN always;
    add_header                      X-Content-Type-Options nosniff always;
    add_header                      Referrer-Policy no-referrer-when-downgrade always;

    client_max_body_size            100M;

    location / {
        proxy_pass                  http://prom_backend;
        proxy_set_header            Host $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;
    }

    location = /robots.txt {
        add_header                  Access-Control-Allow-Origin "*";
        alias                       /var/jenkins/workspace/schon/static/robots_backend.txt;
        default_type                text/plain;
    }

    location /favicon.ico {
        add_header                  Access-Control-Allow-Origin "*";
        root                        /var/jenkins/workspace/schon/static;
    }

    error_page                      500 502 503 504 /maintenance.html;

    location = /maintenance.html {
        add_header                  Access-Control-Allow-Origin "*";
        root                        /var/jenkins/workspace/schon/static;
        internal;
    }
}

server {
    listen                          80;
    server_name                     api.schon.com www.schon.com schon.com prometheus.schon.com;
    return                          301 https://$host$request_uri;
}