# Candidate configuration for /etc/nginx/sites-available/learn-services.
#
# This file is source-controlled configuration, not the active host configuration.
# Review the accompanying README before installing it.

map $http_upgrade $gitea_connection_upgrade {
    default upgrade;
    ''      close;
}

# Do not let an unknown TLS hostname fall through to the first named virtual
# host. Nginx can reject the handshake without presenting either certificate.
server {
    listen 443 ssl default_server;
    listen [::]:443 ssl default_server ipv6only=on;
    ssl_reject_handshake on;
}

server {
    server_name git.learn.hyeonworks.com;

    # TLS terminates here. The hop to the k3s Traefik web NodePort is HTTP.
    location / {
        proxy_pass http://127.0.0.1:30080;
        proxy_http_version 1.1;

        # Replace all externally supplied forwarding headers at the trust boundary.
        proxy_set_header Host              git.learn.hyeonworks.com;
        proxy_set_header X-Forwarded-Host  git.learn.hyeonworks.com;
        proxy_set_header X-Forwarded-Proto https;
        proxy_set_header X-Forwarded-Port  443;
        proxy_set_header X-Forwarded-For   $remote_addr;
        proxy_set_header X-Real-IP         $remote_addr;

        # Keep Git operations and WebSocket-capable endpoints streaming.
        proxy_set_header Upgrade    $http_upgrade;
        proxy_set_header Connection $gitea_connection_upgrade;
        proxy_request_buffering off;
        proxy_buffering off;
        proxy_read_timeout 3600s;
        proxy_send_timeout 3600s;
        proxy_redirect off;

        client_max_body_size 512m;
    }

    listen 443 ssl; # managed by Certbot
    listen [::]:443 ssl; # managed by Certbot
    ssl_certificate /etc/letsencrypt/live/git.learn.hyeonworks.com/fullchain.pem; # managed by Certbot
    ssl_certificate_key /etc/letsencrypt/live/git.learn.hyeonworks.com/privkey.pem; # managed by Certbot
    include /etc/letsencrypt/options-ssl-nginx.conf; # managed by Certbot
    ssl_dhparam /etc/letsencrypt/ssl-dhparams.pem; # managed by Certbot
}

# Keycloak is intentionally left on its current static response until its phase.
server {
    server_name id.learn.hyeonworks.com;

    location / {
        default_type text/plain;
        return 200 "Keycloak domain reached Nginx successfully\n";
    }

    listen 443 ssl; # managed by Certbot
    listen [::]:443 ssl; # managed by Certbot
    ssl_certificate /etc/letsencrypt/live/git.learn.hyeonworks.com/fullchain.pem; # managed by Certbot
    ssl_certificate_key /etc/letsencrypt/live/git.learn.hyeonworks.com/privkey.pem; # managed by Certbot
    include /etc/letsencrypt/options-ssl-nginx.conf; # managed by Certbot
    ssl_dhparam /etc/letsencrypt/ssl-dhparams.pem; # managed by Certbot
}

server {
    if ($host = git.learn.hyeonworks.com) {
        return 301 https://$host$request_uri;
    } # managed by Certbot

    listen 80;
    listen [::]:80;

    server_name git.learn.hyeonworks.com;
    return 404; # managed by Certbot
}

server {
    if ($host = id.learn.hyeonworks.com) {
        return 301 https://$host$request_uri;
    } # managed by Certbot

    listen 80;
    listen [::]:80;

    server_name id.learn.hyeonworks.com;
    return 404; # managed by Certbot
}