{ "manifest_version": "1.0.0", "template": { "id": "fe434cea-1490-4e11-88e9-3bfa34a18e55", "slug": "langflow-4", "name": "Langflow", "description": "Langflow AI agent builder with login, Postgres and pinned version", "url": "https://railway.com/deploy/langflow-4", "upstream": { "image": "langflowai/langflow:1.13.1" } }, "status": "unvalidated", "validated_at": null, "success_rate_30d": null, "services": [ { "name": "Postgres", "source": { "image": "ghcr.io/railwayapp-templates/postgres-ssl:18" }, "needs_volume": true, "volume_mount_path": "/var/lib/postgresql/data", "http": false }, { "name": "langflow", "source": { "image": "langflowai/langflow:1.13.1" }, "needs_volume": true, "volume_mount_path": "/app/langflow", "http": true } ], "required_inputs": [ { "key": "PGDATA", "service": "Postgres", "description": "Data directory on the volume", "secret": false, "strategy": "default", "default": "/var/lib/postgresql/data/pgdata" }, { "key": "PGHOST", "service": "Postgres", "description": "Private host name (auto-configured)", "secret": false, "strategy": "railway_provided", "railway_source": "railway_private_domain" }, { "key": "PGPORT", "service": "Postgres", "description": "Postgres port", "secret": false, "strategy": "default", "default": "5432" }, { "key": "PGUSER", "service": "Postgres", "description": "Same as POSTGRES_USER", "secret": false, "strategy": "railway_provided", "railway_source": "reference_variable" }, { "key": "PGDATABASE", "service": "Postgres", "description": "Same as POSTGRES_DB", "secret": false, "strategy": "railway_provided", "railway_source": "reference_variable" }, { "key": "PGPASSWORD", "service": "Postgres", "description": "Same as POSTGRES_PASSWORD", "secret": true, "strategy": "railway_provided", "railway_source": "reference_variable" }, { "key": "POSTGRES_DB", "service": "Postgres", "description": "Database name", "secret": false, "strategy": "default", "default": "railway" }, { "key": "DATABASE_URL", "service": "Postgres", "description": "Private connection URL", "secret": false, "strategy": "railway_provided", "railway_source": "railway_private_domain" }, { "key": "POSTGRES_USER", "service": "Postgres", "description": "Database user", "secret": false, "strategy": "default", "default": "postgres" }, { "key": "SSL_CERT_DAYS", "service": "Postgres", "description": "Validity of the generated SSL certificate, in days", "secret": false, "strategy": "default", "default": "820" }, { "key": "POSTGRES_PASSWORD", "service": "Postgres", "description": "Postgres password (generated)", "secret": true, "strategy": "generate", "generate": "strong_password" }, { "key": "RAILWAY_DEPLOYMENT_DRAINING_SECONDS", "service": "Postgres", "description": "Seconds to let Postgres shut down cleanly on redeploy", "secret": false, "strategy": "default", "default": "60" }, { "key": "PORT", "service": "langflow", "description": "Port Langflow listens on", "secret": false, "strategy": "default", "default": "7860" }, { "key": "DO_NOT_TRACK", "service": "langflow", "description": "Turn off Langflow's usage telemetry", "secret": false, "strategy": "default", "default": "true" }, { "key": "LANGFLOW_HOST", "service": "langflow", "description": "Listen on all interfaces", "secret": false, "strategy": "default", "default": "0.0.0.0" }, { "key": "LANGFLOW_PORT", "service": "langflow", "description": "Same as PORT", "secret": false, "strategy": "railway_provided", "railway_source": "reference_variable" }, { "key": "RAILWAY_RUN_UID", "service": "langflow", "description": "Run as root so Langflow can write to the Railway volume", "secret": false, "strategy": "default", "default": "0" }, { "key": "LANGFLOW_WORKERS", "service": "langflow", "description": "Worker processes. More handle more parallel runs but use more memory", "secret": false, "strategy": "default", "default": "1" }, { "key": "LANGFLOW_LOG_LEVEL", "service": "langflow", "description": "Log level", "secret": false, "strategy": "default", "default": "info" }, { "key": "LANGFLOW_SUPERUSER", "service": "langflow", "description": "Admin username", "secret": false, "strategy": "default", "default": "admin" }, { "key": "LANGFLOW_AUTO_LOGIN", "service": "langflow", "description": "Require a login. true would let anyone with the URL in as admin", "secret": false, "strategy": "default", "default": "false" }, { "key": "LANGFLOW_CONFIG_DIR", "service": "langflow", "description": "Uploaded files, cache and logs, on the volume", "secret": false, "strategy": "default", "default": "/app/langflow" }, { "key": "LANGFLOW_SECRET_KEY", "service": "langflow", "description": "Signs logins and encrypts stored API keys (generated). Never change after first deploy, or saved keys can't be decrypted", "secret": true, "strategy": "generate", "generate": "random_base64_32" }, { "key": "LANGFLOW_DATABASE_URL", "service": "langflow", "description": "Postgres over the private network (auto-configured)", "secret": false, "strategy": "railway_provided", "railway_source": "reference_variable" }, { "key": "LANGFLOW_ACCESS_SECURE", "service": "langflow", "description": "Send login cookies only over HTTPS", "secret": false, "strategy": "default", "default": "true" }, { "key": "LANGFLOW_ENABLE_SIGNUP", "service": "langflow", "description": "Public sign-up. Off: the admin adds users through the API (see the README)", "secret": false, "strategy": "default", "default": "false" }, { "key": "LANGFLOW_REFRESH_SECURE", "service": "langflow", "description": "Send login cookies only over HTTPS", "secret": false, "strategy": "default", "default": "true" }, { "key": "LANGFLOW_NEW_USER_IS_ACTIVE", "service": "langflow", "description": "New accounts stay inactive until the admin activates them", "secret": false, "strategy": "default", "default": "false" }, { "key": "LANGFLOW_SUPERUSER_PASSWORD", "service": "langflow", "description": "Admin password (generated). Read it here after deploy", "secret": true, "strategy": "generate", "generate": "strong_password" }, { "key": "LANGFLOW_CUSTOM_COMPONENT_ADMIN_ONLY", "service": "langflow", "description": "Only admins can create or edit custom components, which run Python on the server. Set to false to let every user write them", "secret": false, "strategy": "default", "default": "true" } ], "deploy": { "mcp": { "server": "railway", "tool": "deploy_template", "args": { "template_code": "langflow-4" } }, "cli": "railway deploy --template langflow-4", "api": { "method": "POST", "path": "/graphql/v2", "body": { "query": "mutation templateDeploy($input: TemplateDeployV2Input!) { templateDeployV2(input: $input) { projectId workflowId } }", "variables": { "input": { "templateId": "fe434cea-1490-4e11-88e9-3bfa34a18e55", "serializedConfig": { "services": { "8bb9f7d7-b2b7-41d6-b2d3-ce45b501db2f": { "icon": "https://devicons.railway.app/i/postgresql.svg", "name": "Postgres", "source": { "image": "ghcr.io/railwayapp-templates/postgres-ssl:18" }, "variables": { "PGDATA": { "description": "Data directory on the volume", "defaultValue": "/var/lib/postgresql/data/pgdata" }, "PGHOST": { "description": "Private host name (auto-configured)", "defaultValue": "${{RAILWAY_PRIVATE_DOMAIN}}" }, "PGPORT": { "description": "Postgres port", "defaultValue": "5432" }, "PGUSER": { "description": "Same as POSTGRES_USER", "defaultValue": "${{POSTGRES_USER}}" }, "PGDATABASE": { "description": "Same as POSTGRES_DB", "defaultValue": "${{POSTGRES_DB}}" }, "PGPASSWORD": { "description": "Same as POSTGRES_PASSWORD", "defaultValue": "${{POSTGRES_PASSWORD}}" }, "POSTGRES_DB": { "description": "Database name", "defaultValue": "railway" }, "DATABASE_URL": { "description": "Private connection URL", "defaultValue": "postgresql://${{PGUSER}}:${{POSTGRES_PASSWORD}}@${{RAILWAY_PRIVATE_DOMAIN}}:5432/${{PGDATABASE}}" }, "POSTGRES_USER": { "description": "Database user", "defaultValue": "postgres" }, "SSL_CERT_DAYS": { "description": "Validity of the generated SSL certificate, in days", "defaultValue": "820" }, "POSTGRES_PASSWORD": { "description": "Postgres password (generated)", "defaultValue": "{{POSTGRES_PASSWORD}}" }, "RAILWAY_DEPLOYMENT_DRAINING_SECONDS": { "description": "Seconds to let Postgres shut down cleanly on redeploy", "defaultValue": "60" } }, "volumeMounts": { "f4e58dc1-7e9c-473c-a3f5-3e6b703d0a68": { "mountPath": "/var/lib/postgresql/data" } } }, "9b88de1e-f6b9-4825-9fac-8350fe9e0f0e": { "icon": "https://cdn.jsdelivr.net/gh/selfhst/icons/svg/langflow.svg", "name": "langflow", "deploy": { "healthcheckPath": "/health_check", "restartPolicyType": "ON_FAILURE", "healthcheckTimeout": 300, "restartPolicyMaxRetries": 10 }, "source": { "image": "langflowai/langflow:1.13.1" }, "variables": { "PORT": { "description": "Port Langflow listens on", "defaultValue": "7860" }, "DO_NOT_TRACK": { "description": "Turn off Langflow's usage telemetry", "defaultValue": "true" }, "LANGFLOW_HOST": { "description": "Listen on all interfaces", "defaultValue": "0.0.0.0" }, "LANGFLOW_PORT": { "description": "Same as PORT", "defaultValue": "${{PORT}}" }, "RAILWAY_RUN_UID": { "description": "Run as root so Langflow can write to the Railway volume", "defaultValue": "0" }, "LANGFLOW_WORKERS": { "description": "Worker processes. More handle more parallel runs but use more memory", "defaultValue": "1" }, "LANGFUSE_BASE_URL": { "isOptional": true, "description": "Optional. Langfuse URL for tracing every flow run, for example our Langfuse v4 template or https://cloud.langfuse.com", "defaultValue": "" }, "LANGFLOW_LOG_LEVEL": { "description": "Log level", "defaultValue": "info" }, "LANGFLOW_SUPERUSER": { "description": "Admin username", "defaultValue": "admin" }, "LANGFLOW_AUTO_LOGIN": { "description": "Require a login. true would let anyone with the URL in as admin", "defaultValue": "false" }, "LANGFLOW_CONFIG_DIR": { "description": "Uploaded files, cache and logs, on the volume", "defaultValue": "/app/langflow" }, "LANGFLOW_SECRET_KEY": { "description": "Signs logins and encrypts stored API keys (generated). Never change after first deploy, or saved keys can't be decrypted", "defaultValue": "{{LANGFLOW_SECRET_KEY}}" }, "LANGFUSE_PUBLIC_KEY": { "isOptional": true, "description": "Optional. Langfuse project public key", "defaultValue": "" }, "LANGFUSE_SECRET_KEY": { "isOptional": true, "description": "Optional. Langfuse project secret key", "defaultValue": "" }, "LANGFLOW_DATABASE_URL": { "description": "Postgres over the private network (auto-configured)", "defaultValue": "${{Postgres.DATABASE_URL}}" }, "LANGFLOW_ACCESS_SECURE": { "description": "Send login cookies only over HTTPS", "defaultValue": "true" }, "LANGFLOW_ENABLE_SIGNUP": { "description": "Public sign-up. Off: the admin adds users through the API (see the README)", "defaultValue": "false" }, "LANGFLOW_REFRESH_SECURE": { "description": "Send login cookies only over HTTPS", "defaultValue": "true" }, "LANGFLOW_NEW_USER_IS_ACTIVE": { "description": "New accounts stay inactive until the admin activates them", "defaultValue": "false" }, "LANGFLOW_SUPERUSER_PASSWORD": { "description": "Admin password (generated). Read it here after deploy", "defaultValue": "{{LANGFLOW_SUPERUSER_PASSWORD}}" }, "LANGFLOW_CUSTOM_COMPONENT_ADMIN_ONLY": { "description": "Only admins can create or edit custom components, which run Python on the server. Set to false to let every user write them", "defaultValue": "true" } }, "networking": { "serviceDomains": { "": {} } }, "volumeMounts": { "17345be1-772c-4fc3-bd25-f8f182f5c7c7": { "mountPath": "/app/langflow" } } } } } } } } } }, "post_deploy": { "healthcheck": { "service": "langflow", "method": "GET", "path": "/health_check", "expect_status": 200 } }, "resources": { "expected_services": 2, "needs_volume": true }, "generated_at": "2026-11-04T22:15:11.317Z", "generator_version": "0.1.0" }