Enable SSL for Hashicorp Vault

Update configuration

vault.json

cat vault.json
{
  "backend": {
    "file": {
      "path": "/vault/file"
    }
  },
  "listener": {
    "tcp":{
      "address": "0.0.0.0:8200",
      "tls_enable": 1,
      "tls_cert_file": "/vault/config/cert.pem",
      "tls_key_file": "/vault/config/privkey.pem"
    }
  },
  "ui": true
}

Copy certificate files

Copy into /vault/config folder

Restart vault container

Unseal

References

Hashicorp - SSL/TLS Question #212