[memo] nginx config template

# Redirect www HTTP clients to non-www HTTPS permanently
# See http://nginx.org/en/docs/http/converting_rewrite_rules.html
server {
    listen 80;
    listen [::]:80;
    server_name www.example.com;
    return 301 https://example.com$request_uri;
}

# Redirect www HTTPS clients to non-www HTTPS permanently
server {
    listen 443 ssl http2;
    listen [::]:443 ssl http2;
    server_name www.example.com;
    include conf.d/https.conf;
    return 301 https://example.com$request_uri;
}

# Redirect non-HTTPs clients to non-www HTTPS permanently
server {
    listen 80;
    listen [::]:80;
    server_name example.com;
    return 301 https://example.com$request_uri;
    include conf.d/https.conf;
}

# Single HTTPS non-www server all browsers will talk to
server {
    listen 443 ssl http2;
    listen [::]:443 ssl http2;
    server_name example.com;
    include conf.d/https.conf;

    # Tilde means case-sensitive RE match
    location ~ ^(/help|/blog|/images/blog) {
        proxy_pass http://localhost:8000;
        include conf.d/proxy.conf;
    }

    location / {
        proxy_pass http://app; # See 'upstream' directive above
        include conf.d/html5-sse.conf;
        include conf.d/proxy.conf;
    }

    location /nginx_status {
        stub_status on;
        access_log off;
        allow 127.0.0.1;
        deny all;
    }

    include conf.d/error-page.conf;
}

# This is using the 'intermediate' config, you may prefer 'modern'
# Check https://mozilla.github.io/server-side-tls/ssl-config-generator/ and update this file!
ssl_certificate /etc/https/cert-and-intermediate.pem;
ssl_certificate_key /etc/https/private-key.pem;
ssl_session_timeout 1d;
ssl_session_cache shared:SSL:50m;
ssl_session_tickets off;

# Diffie-Hellman parameter for DHE ciphersuites, recommended 2048 bits
# openssl dhparam -out dhparam.pem 2048
ssl_dhparam /etc/https/dhparam.pem;

# intermediate configuration. tweak to your needs.
ssl_protocols TLSv1 TLSv1.1 TLSv1.2;
ssl_ciphers 'ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:DHE-RSA-AES128-GCM-SHA256:DHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA256:ECDHE-ECDSA-AES128-SHA:ECDHE-RSA-AES256-SHA384:ECDHE-RSA-AES128-SHA:ECDHE-ECDSA-AES256-SHA384:ECDHE-ECDSA-AES256-SHA:ECDHE-RSA-AES256-SHA:DHE-RSA-AES128-SHA256:DHE-RSA-AES128-SHA:DHE-RSA-AES256-SHA256:DHE-RSA-AES256-SHA:ECDHE-ECDSA-DES-CBC3-SHA:ECDHE-RSA-DES-CBC3-SHA:EDH-RSA-DES-CBC3-SHA:AES128-GCM-SHA256:AES256-GCM-SHA384:AES128-SHA256:AES256-SHA256:AES128-SHA:AES256-SHA:DES-CBC3-SHA:!DSS';
ssl_prefer_server_ciphers on;

# HSTS (15768000 seconds = 6 months)
add_header Strict-Transport-Security max-age=15768000;

# OCSP Stapling
# fetch OCSP records from URL in ssl_certificate and cache them
ssl_stapling on;
ssl_stapling_verify on;

# Verify chain of trust of OCSP response using Root CA and Intermediate certs
ssl_trusted_certificate /etc/https/root-and-intermediate.pem;

resolver <IP of your DNS server>;


proxy_set_header Host $host;
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header X-Forwarded-Proto $scheme;
proxy_set_header X-Forwarded-For $remote_addr;


proxy_set_header Connection '';
proxy_http_version 1.1;
chunked_transfer_encoding off;
proxy_buffering off;