location / { proxy_pass http://localhost:3000/; proxy_set_header Host $host; proxy_set_header X-Real-IP $remote_addr; proxy_set_header X-Forwarded-Proto https; proxy_set_header X-Forwarded-Host $host; proxy_set_header X-Forwarded-Server $host; proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; } 罠の正体 app.set('trust proxy', 'loopback') をapp.jsに書いてなかった The request protocol string, “http” o
