{
  "manifest_version": "1.0.0",
  "template": {
    "id": "c023d011-edfb-4de3-9626-289c63edb26c",
    "slug": "nats-or-just-updated-jetstream-streams-s",
    "name": "NATS | (Just Updated) JetStream Streams Survive Redeploys, Locked Behind A Password",
    "description": "NATS JetStream broker. Password on, streams kept on a volume, public URL",
    "url": "https://railway.com/deploy/nats-or-just-updated-jetstream-streams-s",
    "upstream": {
      "image": "nats:2.15.0-alpine@sha256:ac8f88a6494bffc2c2a5289a0ca61cb28a9145c11ba5677cf24265d07f46d8d4"
    }
  },
  "services": [
    {
      "name": "nats",
      "source": {
        "image": "nats:2.15.0-alpine@sha256:ac8f88a6494bffc2c2a5289a0ca61cb28a9145c11ba5677cf24265d07f46d8d4"
      },
      "needs_volume": true,
      "volume_mount_path": "/data",
      "tcp_ports": [
        4222
      ],
      "http": false
    }
  ],
  "required_inputs": [
    {
      "key": "NATS_USER",
      "service": "nats",
      "description": "Provide a value for NATS_USER.",
      "secret": false,
      "strategy": "generate",
      "generate": "random_base64_32"
    },
    {
      "key": "NATS_PASSWORD",
      "service": "nats",
      "description": "Provide a value for NATS_PASSWORD.",
      "secret": true,
      "strategy": "generate",
      "generate": "strong_password"
    },
    {
      "key": "NATS_PUBLIC_URL",
      "service": "nats",
      "description": "Provide a value for NATS_PUBLIC_URL.",
      "secret": false,
      "strategy": "railway_provided",
      "railway_source": "reference_variable"
    },
    {
      "key": "NATS_PRIVATE_URL",
      "service": "nats",
      "description": "Provide a value for NATS_PRIVATE_URL.",
      "secret": false,
      "strategy": "railway_provided",
      "railway_source": "railway_private_domain"
    },
    {
      "key": "NATS_MONITORING_PRIVATE_URL",
      "service": "nats",
      "description": "Provide a value for NATS_MONITORING_PRIVATE_URL.",
      "secret": false,
      "strategy": "railway_provided",
      "railway_source": "railway_private_domain"
    }
  ],
  "deploy": {
    "mcp": {
      "server": "railway",
      "tool": "deploy_template",
      "args": {
        "template_code": "nats-or-just-updated-jetstream-streams-s"
      }
    },
    "cli": "railway deploy --template nats-or-just-updated-jetstream-streams-s",
    "api": {
      "method": "POST",
      "path": "/graphql/v2",
      "body": {
        "query": "mutation templateDeploy($input: TemplateDeployV2Input!) { templateDeployV2(input: $input) { projectId workflowId } }",
        "variables": {
          "input": {
            "templateId": "c023d011-edfb-4de3-9626-289c63edb26c",
            "serializedConfig": {
              "buckets": {},
              "services": {
                "957dc3e6-9956-4c7c-9c34-87f1794cf912": {
                  "icon": null,
                  "name": "nats",
                  "deploy": {
                    "startCommand": "/bin/sh -c 'set -e; if [ -z \"$NATS_USER\" ] || [ -z \"$NATS_PASSWORD\" ]; then echo \"FATAL: NATS_USER and NATS_PASSWORD must be set before NATS will start\"; exit 1; fi; M=$(cat /sys/fs/cgroup/memory.max 2>/dev/null || echo max); if [ \"$M\" != max ]; then MM=$((M / 100 * 50)); else MM=1073741824; fi; set -- $(df -Pk /data | tail -n 1); FS=$(($2 / 100 * 90 * 1024)); echo \"[railway] jetstream max_memory_store=$MM max_file_store=$FS owner=$(stat -c %u:%g /data) writable=$(test -w /data && echo yes || echo NO)\"; { echo \"host: \\\"::\\\"\"; echo \"port: 4222\"; echo \"http_port: 8222\"; echo \"server_name: \\\"nats-railway\\\"\"; echo \"jetstream { store_dir: \\\"/data\\\", max_memory_store: $MM, max_file_store: $FS }\"; echo \"authorization { user: \\\"$NATS_USER\\\", password: \\\"$NATS_PASSWORD\\\" }\"; } > /etc/nats-railway.conf; exec nats-server -c /etc/nats-railway.conf'",
                    "healthcheckPath": null,
                    "restartPolicyType": "ON_FAILURE",
                    "restartPolicyMaxRetries": 10
                  },
                  "source": {
                    "image": "nats:2.15.0-alpine@sha256:ac8f88a6494bffc2c2a5289a0ca61cb28a9145c11ba5677cf24265d07f46d8d4"
                  },
                  "variables": {
                    "NATS_USER": {
                      "isOptional": false,
                      "defaultValue": "{{NATS_USER}}"
                    },
                    "NATS_PASSWORD": {
                      "isOptional": false,
                      "defaultValue": "{{NATS_PASSWORD}}"
                    },
                    "NATS_PUBLIC_URL": {
                      "isOptional": false,
                      "defaultValue": "nats://${{NATS_USER}}:${{NATS_PASSWORD}}@${{RAILWAY_TCP_PROXY_DOMAIN}}:${{RAILWAY_TCP_PROXY_PORT}}"
                    },
                    "NATS_PRIVATE_URL": {
                      "isOptional": false,
                      "defaultValue": "nats://${{NATS_USER}}:${{NATS_PASSWORD}}@${{RAILWAY_PRIVATE_DOMAIN}}:4222"
                    },
                    "NATS_MONITORING_PRIVATE_URL": {
                      "isOptional": false,
                      "defaultValue": "http://${{RAILWAY_PRIVATE_DOMAIN}}:8222"
                    }
                  },
                  "networking": {
                    "tcpProxies": {
                      "4222": {}
                    }
                  },
                  "volumeMounts": {
                    "957dc3e6-9956-4c7c-9c34-87f1794cf912": {
                      "mountPath": "/data"
                    }
                  }
                }
              }
            }
          }
        }
      }
    }
  },
  "post_deploy": {},
  "resources": {
    "expected_services": 1,
    "needs_volume": true
  },
  "generated_at": "2026-10-30T04:14:55.026Z",
  "generator_version": "0.1.0",
  "status": "validated",
  "validated_at": "2026-10-19T20:28:19.252Z",
  "success_rate_30d": 1,
  "validation": {
    "last_run_id": "run_90a4c6ff8cc14be7ab0b",
    "checks": [
      {
        "name": "workflow_completed",
        "passed": true
      },
      {
        "name": "all_services_deployed",
        "passed": true
      },
      {
        "name": "stays_up",
        "passed": true
      }
    ],
    "typical_ready_seconds": 20,
    "typical_build_seconds": 0,
    "typical_start_seconds": 0,
    "slowest_service": "nats"
  }
}