{ "schema_version": 1, "generated_at": "2026-10-22T00:00:00.000Z", "canonical_url": "https://openlogs.fyi/tools/langfuse", "slug": "langfuse", "name": "Langfuse", "tagline": "Records traces of LLM application calls and supports evaluation of the results.", "replaces": { "summary": "Paid LLM tracing and evaluation services, such as LangSmith.", "products": [ { "slug": "langsmith", "name": "LangSmith", "vendor": "LangChain", "url": "https://openlogs.fyi/alternatives/langsmith" } ] }, "stack": [ { "kind": "language", "name": "TypeScript" }, { "kind": "database", "name": "ClickHouse" }, { "kind": "database", "name": "Redis" }, { "kind": "database", "name": "PostgreSQL" } ], "deployment_methods": [ "docker_compose" ], "requirements": { "min_ram_mb": null, "min_cpu_cores": null, "source_url": null }, "license": { "spdx": "MIT", "class": "osi", "source_url": "https://github.com/langfuse/langfuse/blob/2ec7d561c10068bd6949191ffa653d230782531c/LICENSE" }, "business_model": { "value": "unknown", "notes": "The README at the pinned commit does not state a business model, so it stays unknown.", "source_url": "https://github.com/langfuse/langfuse/blob/2ec7d561c10068bd6949191ffa653d230782531c/README.md", "checked_at": "2026-10-22" }, "difficulty": { "value": "hard", "reason": "6 services (4 database or broker: clickhouse-server, minio, redis, postgres), 5 volume mounts, no env values to set, no elevated host access. Heuristic score 7 of 11: hard." }, "repository": { "owner": "langfuse", "name": "langfuse", "url": "https://github.com/langfuse/langfuse" }, "compose_check": { "status": "config_ok", "validated_at": "2026-10-22", "summary": "config_ok on 2026-10-22" }, "recipe": { "version": 1, "source_path": "docker-compose.yml", "source_repo": "langfuse/langfuse", "source_commit_sha": "2ec7d561c10068bd6949191ffa653d230782531c", "source_kind": "app_repo", "source_url": "https://github.com/langfuse/langfuse/blob/2ec7d561c10068bd6949191ffa653d230782531c/docker-compose.yml" }, "install_steps": [ { "order": 1, "kind": "prerequisite", "language": "text", "label": "Docker with the Compose plugin", "body": "A host with Docker and the Docker Compose plugin. This entry runs from a compose file.", "source_url": "https://github.com/langfuse/langfuse/blob/2ec7d561c10068bd6949191ffa653d230782531c/docker-compose.yml", "validation_status": "unvalidated" }, { "order": 2, "kind": "compose", "language": "yaml", "label": "Save the compose file as docker-compose.yml", "body": "# Make sure to update the credential placeholders with your own secrets.\n# We mark them with # CHANGEME in the file below.\n# In addition, we recommend to restrict inbound traffic on the host to langfuse-web (port 3000) and minio (port 9090) only.\n# All other components are bound to localhost (127.0.0.1) to only accept connections from the local machine.\n# External connections from other machines will not be able to reach these services directly.\nservices:\n langfuse-worker:\n image: docker.langfuse.com/langfuse/langfuse-worker:4\n restart: always\n depends_on: &langfuse-depends-on\n postgres:\n condition: service_healthy\n minio:\n condition: service_healthy\n redis:\n condition: service_healthy\n clickhouse:\n condition: service_healthy\n ports:\n - 127.0.0.1:3030:3030\n environment: &langfuse-worker-env\n NEXTAUTH_URL: ${NEXTAUTH_URL:-http://localhost:3000}\n DATABASE_URL: ${DATABASE_URL:-postgresql://postgres:postgres@postgres:5432/postgres} # CHANGEME\n SALT: ${SALT:-mysalt} # CHANGEME\n ENCRYPTION_KEY: ${ENCRYPTION_KEY:-0000000000000000000000000000000000000000000000000000000000000000} # CHANGEME: generate via `openssl rand -hex 32`\n TELEMETRY_ENABLED: ${TELEMETRY_ENABLED:-true}\n LANGFUSE_ENABLE_EXPERIMENTAL_FEATURES: ${LANGFUSE_ENABLE_EXPERIMENTAL_FEATURES:-false}\n # Lets the worker reach the web service internally for in-app agent MCP\n # calls without redirecting NEXTAUTH_URL, which also builds links for\n # users. Pair it with LANGFUSE_MCP_ALLOWED_HOSTS on langfuse-web.\n LANGFUSE_MCP_BASE_URL: ${LANGFUSE_MCP_BASE_URL:-}\n LANGFUSE_LLM_CONNECTION_WHITELISTED_HOST: ${LANGFUSE_LLM_CONNECTION_WHITELISTED_HOST:-}\n LANGFUSE_LLM_CONNECTION_WHITELISTED_IPS: ${LANGFUSE_LLM_CONNECTION_WHITELISTED_IPS:-}\n LANGFUSE_LLM_CONNECTION_WHITELISTED_IP_SEGMENTS: ${LANGFUSE_LLM_CONNECTION_WHITELISTED_IP_SEGMENTS:-}\n # Empty defaults leave egress policy unchanged until an operator sets them.\n LANGFUSE_LLM_CONNECTION_ALLOWED_HOSTS: ${LANGFUSE_LLM_CONNECTION_ALLOWED_HOSTS:-}\n LANGFUSE_WEBHOOK_ALLOWED_HOSTS: ${LANGFUSE_WEBHOOK_ALLOWED_HOSTS:-}\n LANGFUSE_EXTERNAL_MEDIA_STORAGE_ENDPOINT_ALLOWED_HOSTS: ${LANGFUSE_EXTERNAL_MEDIA_STORAGE_ENDPOINT_ALLOWED_HOSTS:-}\n LANGFUSE_OUTBOUND_BLOCKED_IP_SEGMENTS: ${LANGFUSE_OUTBOUND_BLOCKED_IP_SEGMENTS:-}\n CLICKHOUSE_MIGRATION_URL: ${CLICKHOUSE_MIGRATION_URL:-clickhouse://clickhouse:9000}\n CLICKHOUSE_URL: ${CLICKHOUSE_URL:-http://clickhouse:8123}\n CLICKHOUSE_USER: ${CLICKHOUSE_USER:-clickhouse}\n CLICKHOUSE_PASSWORD: ${CLICKHOUSE_PASSWORD:-clickhouse} # CHANGEME\n CLICKHOUSE_CLUSTER_ENABLED: ${CLICKHOUSE_CLUSTER_ENABLED:-false}\n CLICKHOUSE_CLUSTER_NAME: ${CLICKHOUSE_CLUSTER_NAME:-default}\n LANGFUSE_JSON_BAD_UNICODE_ESCAPE: ${LANGFUSE_JSON_BAD_UNICODE_ESCAPE:-}\n LANGFUSE_USE_AZURE_BLOB: ${LANGFUSE_USE_AZURE_BLOB:-false}\n LANGFUSE_USE_OCI_NATIVE_OBJECT_STORAGE: ${LANGFUSE_USE_OCI_NATIVE_OBJECT_STORAGE:-false}\n LANGFUSE_OCI_AUTH_TYPE: ${LANGFUSE_OCI_AUTH_TYPE:-workload_identity}\n LANGFUSE_S3_EVENT_UPLOAD_BUCKET: ${LANGFUSE_S3_EVENT_UPLOAD_BUCKET:-langfuse}\n LANGFUSE_S3_EVENT_UPLOAD_REGION: ${LANGFUSE_S3_EVENT_UPLOAD_REGION:-auto}\n LANGFUSE_S3_EVENT_UPLOAD_ACCESS_KEY_ID: ${LANGFUSE_S3_EVENT_UPLOAD_ACCESS_KEY_ID:-minio}\n LANGFUSE_S3_EVENT_UPLOAD_SECRET_ACCESS_KEY: ${LANGFUSE_S3_EVENT_UPLOAD_SECRET_ACCESS_KEY:-miniosecret} # CHANGEME\n LANGFUSE_S3_EVENT_UPLOAD_ENDPOINT: ${LANGFUSE_S3_EVENT_UPLOAD_ENDPOINT:-http://minio:9000}\n LANGFUSE_S3_EVENT_UPLOAD_FORCE_PATH_STYLE: ${LANGFUSE_S3_EVENT_UPLOAD_FORCE_PATH_STYLE:-true}\n LANGFUSE_S3_EVENT_UPLOAD_PREFIX: ${LANGFUSE_S3_EVENT_UPLOAD_PREFIX:-events/}\n LANGFUSE_S3_MEDIA_UPLOAD_BUCKET: ${LANGFUSE_S3_MEDIA_UPLOAD_BUCKET:-langfuse}\n LANGFUSE_S3_MEDIA_UPLOAD_REGION: ${LANGFUSE_S3_MEDIA_UPLOAD_REGION:-auto}\n LANGFUSE_S3_MEDIA_UPLOAD_ACCESS_KEY_ID: ${LANGFUSE_S3_MEDIA_UPLOAD_ACCESS_KEY_ID:-minio}\n LANGFUSE_S3_MEDIA_UPLOAD_SECRET_ACCESS_KEY: ${LANGFUSE_S3_MEDIA_UPLOAD_SECRET_ACCESS_KEY:-miniosecret} # CHANGEME\n LANGFUSE_S3_MEDIA_UPLOAD_ENDPOINT: ${LANGFUSE_S3_MEDIA_UPLOAD_ENDPOINT:-http://minio:9000}\n LANGFUSE_S3_MEDIA_UPLOAD_FORCE_PATH_STYLE: ${LANGFUSE_S3_MEDIA_UPLOAD_FORCE_PATH_STYLE:-true}\n LANGFUSE_S3_MEDIA_UPLOAD_PREFIX: ${LANGFUSE_S3_MEDIA_UPLOAD_PREFIX:-media/}\n LANGFUSE_S3_MEDIA_UPLOAD_REQUEST_TIMEOUT_MS: ${LANGFUSE_S3_MEDIA_UPLOAD_REQUEST_TIMEOUT_MS:-30000}\n LANGFUSE_OBSERVATION_FIELD_OVERFLOW_ENABLED: ${LANGFUSE_OBSERVATION_FIELD_OVERFLOW_ENABLED:-false}\n LANGFUSE_OBSERVATION_FIELD_SIZE_LIMIT_BYTES: ${LANGFUSE_OBSERVATION_FIELD_SIZE_LIMIT_BYTES:-2097152}\n LANGFUSE_S3_BATCH_EXPORT_ENABLED: ${LANGFUSE_S3_BATCH_EXPORT_ENABLED:-false}\n LANGFUSE_S3_BATCH_EXPORT_BUCKET: ${LANGFUSE_S3_BATCH_EXPORT_BUCKET:-langfuse}\n LANGFUSE_S3_BATCH_EXPORT_PREFIX: ${LANGFUSE_S3_BATCH_EXPORT_PREFIX:-exports/}\n LANGFUSE_S3_BATCH_EXPORT_REGION: ${LANGFUSE_S3_BATCH_EXPORT_REGION:-auto}\n LANGFUSE_S3_BATCH_EXPORT_ENDPOINT: ${LANGFUSE_S3_BATCH_EXPORT_ENDPOINT:-http://minio:9000}\n LANGFUSE_S3_BATCH_EXPORT_EXTERNAL_ENDPOINT: ${LANGFUSE_S3_BATCH_EXPORT_EXTERNAL_ENDPOINT:-http://localhost:9090}\n LANGFUSE_S3_BATCH_EXPORT_ACCESS_KEY_ID: ${LANGFUSE_S3_BATCH_EXPORT_ACCESS_KEY_ID:-minio}\n LANGFUSE_S3_BATCH_EXPORT_SECRET_ACCESS_KEY: ${LANGFUSE_S3_BATCH_EXPORT_SECRET_ACCESS_KEY:-miniosecret} # CHANGEME\n LANGFUSE_S3_BATCH_EXPORT_FORCE_PATH_STYLE: ${LANGFUSE_S3_BATCH_EXPORT_FORCE_PATH_STYLE:-true}\n LANGFUSE_INGESTION_QUEUE_DELAY_MS: ${LANGFUSE_INGESTION_QUEUE_DELAY_MS:-}\n LANGFUSE_INGESTION_CLICKHOUSE_WRITE_INTERVAL_MS: ${LANGFUSE_INGESTION_CLICKHOUSE_WRITE_INTERVAL_MS:-}\n REDIS_HOST: ${REDIS_HOST:-redis}\n REDIS_PORT: ${REDIS_PORT:-6379}\n REDIS_AUTH: ${REDIS_AUTH:-myredissecret} # CHANGEME\n LANGFUSE_BULLMQ_SKIP_REDIS_VERSION_CHECK: ${LANGFUSE_BULLMQ_SKIP_REDIS_VERSION_CHECK:-false}\n REDIS_TLS_ENABLED: ${REDIS_TLS_ENABLED:-false}\n REDIS_TLS_CA: ${REDIS_TLS_CA:-/certs/ca.crt}\n REDIS_TLS_CERT: ${REDIS_TLS_CERT:-/certs/redis.crt}\n REDIS_TLS_KEY: ${REDIS_TLS_KEY:-/certs/redis.key}\n EMAIL_FROM_ADDRESS: ${EMAIL_FROM_ADDRESS:-}\n SMTP_CONNECTION_URL: ${SMTP_CONNECTION_URL:-}\n # Shared AI features configuration. These apply to AI features that run\n # in both web and worker.\n LANGFUSE_IN_APP_AGENT_ENABLED: ${LANGFUSE_IN_APP_AGENT_ENABLED:-}\n LANGFUSE_EVALUATOR_MEDIA_TRANSPORT: ${LANGFUSE_EVALUATOR_MEDIA_TRANSPORT:-}\n LANGFUSE_EVALUATOR_MEDIA_INLINE_MAX_BYTES: ${LANGFUSE_EVALUATOR_MEDIA_INLINE_MAX_BYTES:-}\n LANGFUSE_AI_PROVIDER: ${LANGFUSE_AI_PROVIDER:-}\n LANGFUSE_AI_MODEL: ${LANGFUSE_AI_MODEL:-}\n LANGFUSE_AI_SMALL_MODEL: ${LANGFUSE_AI_SMALL_MODEL:-}\n LANGFUSE_AI_API_KEY: ${LANGFUSE_AI_API_KEY:-}\n LANGFUSE_AI_BASE_URL: ${LANGFUSE_AI_BASE_URL:-}\n LANGFUSE_AI_USE_RESPONSES_API: ${LANGFUSE_AI_USE_RESPONSES_API:-}\n LANGFUSE_AI_EXTRA_HEADERS: ${LANGFUSE_AI_EXTRA_HEADERS:-}\n LANGFUSE_AI_AWS_BEDROCK_REGION: ${LANGFUSE_AI_AWS_BEDROCK_REGION:-}\n LANGFUSE_AI_VERTEX_LOCATION: ${LANGFUSE_AI_VERTEX_LOCATION:-}\n AWS_ACCESS_KEY_ID: ${AWS_ACCESS_KEY_ID:-}\n AWS_SECRET_ACCESS_KEY: ${AWS_SECRET_ACCESS_KEY:-}\n AWS_SESSION_TOKEN: ${AWS_SESSION_TOKEN:-}\n AWS_PROFILE: ${AWS_PROFILE:-}\n LANGFUSE_AI_FEATURES_AWS_PROFILE: ${LANGFUSE_AI_FEATURES_AWS_PROFILE:-}\n LANGFUSE_IN_APP_AGENT_AWS_PROFILE: ${LANGFUSE_IN_APP_AGENT_AWS_PROFILE:-}\n # In-app agent worker settings (ignored by the web service).\n LANGFUSE_IN_APP_AGENT_RUN_QUEUE_PROCESSING_CONCURRENCY: ${LANGFUSE_IN_APP_AGENT_RUN_QUEUE_PROCESSING_CONCURRENCY:-}\n LANGFUSE_IN_APP_AGENT_SANDBOX_PROVIDER: ${LANGFUSE_IN_APP_AGENT_SANDBOX_PROVIDER:-}\n LANGFUSE_IN_APP_AGENT_SANDBOX_AWS_LAMBDA_MICROVM_IMAGE_IDENTIFIER: ${LANGFUSE_IN_APP_AGENT_SANDBOX_AWS_LAMBDA_MICROVM_IMAGE_IDENTIFIER:-}\n LANGFUSE_IN_APP_AGENT_SANDBOX_AWS_LAMBDA_MICROVM_EXECUTION_ROLE_ARN: ${LANGFUSE_IN_APP_AGENT_SANDBOX_AWS_LAMBDA_MICROVM_EXECUTION_ROLE_ARN:-}\n LANGFUSE_IN_APP_AGENT_SANDBOX_AWS_LAMBDA_MICROVM_EGRESS_NETWORK_CONNECTOR_ARN: ${LANGFUSE_IN_APP_AGENT_SANDBOX_AWS_LAMBDA_MICROVM_EGRESS_NETWORK_CONNECTOR_ARN:-}\n LANGFUSE_IN_APP_AGENT_SANDBOX_AWS_LAMBDA_MICROVM_REGION: ${LANGFUSE_IN_APP_AGENT_SANDBOX_AWS_LAMBDA_MICROVM_REGION:-}\n\n langfuse-web:\n image: docker.langfuse.com/langfuse/langfuse:4\n restart: always\n depends_on: *langfuse-depends-on\n ports:\n - 3000:3000\n environment:\n <<: *langfuse-worker-env\n NEXTAUTH_SECRET: ${NEXTAUTH_SECRET:-mysecret} # CHANGEME\n LANGFUSE_S3_MEDIA_UPLOAD_ENDPOINT: ${LANGFUSE_S3_MEDIA_UPLOAD_ENDPOINT:-http://localhost:9090}\n LANGFUSE_S3_MEDIA_UPLOAD_INTERNAL_ENDPOINT: ${LANGFUSE_S3_MEDIA_UPLOAD_INTERNAL_ENDPOINT:-http://minio:9000}\n LANGFUSE_INIT_ORG_ID: ${LANGFUSE_INIT_ORG_ID:-}\n LANGFUSE_INIT_ORG_NAME: ${LANGFUSE_INIT_ORG_NAME:-}\n LANGFUSE_INIT_PROJECT_ID: ${LANGFUSE_INIT_PROJECT_ID:-}\n LANGFUSE_INIT_PROJECT_NAME: ${LANGFUSE_INIT_PROJECT_NAME:-}\n LANGFUSE_INIT_PROJECT_PUBLIC_KEY: ${LANGFUSE_INIT_PROJECT_PUBLIC_KEY:-}\n LANGFUSE_INIT_PROJECT_SECRET_KEY: ${LANGFUSE_INIT_PROJECT_SECRET_KEY:-}\n LANGFUSE_INIT_USER_EMAIL: ${LANGFUSE_INIT_USER_EMAIL:-}\n LANGFUSE_INIT_USER_NAME: ${LANGFUSE_INIT_USER_NAME:-}\n LANGFUSE_INIT_USER_PASSWORD: ${LANGFUSE_INIT_USER_PASSWORD:-}\n LANGFUSE_MARKDOWN_RENDER_CHARACTER_LIMIT: ${LANGFUSE_MARKDOWN_RENDER_CHARACTER_LIMIT:-}\n LANGFUSE_TRUSTED_PROXY_COUNT: ${LANGFUSE_TRUSTED_PROXY_COUNT:-}\n LANGFUSE_DISABLE_SIGNUP_ONBOARDING: ${LANGFUSE_DISABLE_SIGNUP_ONBOARDING:-}\n # Hostnames allowed to reach the MCP endpoint, beyond NEXTAUTH_URL's own\n # host. Required when the worker uses LANGFUSE_MCP_BASE_URL.\n LANGFUSE_MCP_ALLOWED_HOSTS: ${LANGFUSE_MCP_ALLOWED_HOSTS:-}\n # In-app agent settings.\n LANGFUSE_IN_APP_AGENT_MAX_ACTIVE_RUNS_PER_USER: ${LANGFUSE_IN_APP_AGENT_MAX_ACTIVE_RUNS_PER_USER:-}\n LANGFUSE_IN_APP_AGENT_MAX_ACTIVE_RUNS_PER_ORG: ${LANGFUSE_IN_APP_AGENT_MAX_ACTIVE_RUNS_PER_ORG:-}\n\n clickhouse:\n image: docker.io/clickhouse/clickhouse-server:25.12\n restart: always\n user: \"101:101\"\n environment:\n CLICKHOUSE_DB: default\n CLICKHOUSE_USER: ${CLICKHOUSE_USER:-clickhouse}\n CLICKHOUSE_PASSWORD: ${CLICKHOUSE_PASSWORD:-clickhouse} # CHANGEME\n volumes:\n - langfuse_clickhouse_data:/var/lib/clickhouse\n - langfuse_clickhouse_logs:/var/log/clickhouse-server\n ports:\n - 127.0.0.1:8123:8123\n - 127.0.0.1:9000:9000\n healthcheck:\n test: wget --no-verbose --tries=1 --spider http://localhost:8123/ping || exit 1\n interval: 5s\n timeout: 5s\n retries: 10\n start_period: 1s\n\n minio:\n image: cgr.dev/chainguard/minio\n restart: always\n entrypoint: sh\n # create the 'langfuse' bucket before starting the service\n command: -c 'mkdir -p /data/langfuse && minio server --address \":9000\" --console-address \":9001\" /data'\n environment:\n MINIO_ROOT_USER: ${MINIO_ROOT_USER:-minio}\n MINIO_ROOT_PASSWORD: ${MINIO_ROOT_PASSWORD:-miniosecret} # CHANGEME\n ports:\n - 9090:9000\n - 127.0.0.1:9091:9001\n volumes:\n - langfuse_minio_data:/data\n healthcheck:\n test: [\"CMD\", \"mc\", \"ready\", \"local\"]\n interval: 1s\n timeout: 5s\n retries: 5\n start_period: 1s\n\n redis:\n image: docker.io/redis:7\n restart: always\n # CHANGEME: row below to secure redis password\n command: >\n --requirepass ${REDIS_AUTH:-myredissecret}\n --maxmemory-policy noeviction\n ports:\n - 127.0.0.1:6379:6379\n volumes:\n - langfuse_redis_data:/data\n healthcheck:\n test: [\"CMD\", \"redis-cli\", \"ping\"]\n interval: 3s\n timeout: 10s\n retries: 10\n\n postgres:\n image: docker.io/postgres:${POSTGRES_VERSION:-17}\n restart: always\n healthcheck:\n test: [\"CMD-SHELL\", \"pg_isready -U postgres\"]\n interval: 3s\n timeout: 3s\n retries: 10\n environment:\n POSTGRES_USER: ${POSTGRES_USER:-postgres}\n POSTGRES_PASSWORD: ${POSTGRES_PASSWORD:-postgres} # CHANGEME\n POSTGRES_DB: ${POSTGRES_DB:-postgres}\n TZ: UTC\n PGTZ: UTC\n ports:\n - 127.0.0.1:5432:5432\n volumes:\n - langfuse_postgres_data:/var/lib/postgresql/data\n\nvolumes:\n langfuse_postgres_data:\n driver: local\n langfuse_clickhouse_data:\n driver: local\n langfuse_clickhouse_logs:\n driver: local\n langfuse_minio_data:\n driver: local\n langfuse_redis_data:\n driver: local\n", "source_url": "https://github.com/langfuse/langfuse/blob/2ec7d561c10068bd6949191ffa653d230782531c/docker-compose.yml", "validation_status": "config_ok" }, { "order": 3, "kind": "env", "language": "text", "label": "Set the values the compose file needs", "body": "Replace the placeholder values listed under Gotchas.", "source_url": "https://github.com/langfuse/langfuse/blob/2ec7d561c10068bd6949191ffa653d230782531c/docker-compose.yml", "validation_status": "unvalidated" }, { "order": 4, "kind": "shell", "language": "bash", "label": "Start it", "body": "docker compose up -d", "source_url": "https://github.com/langfuse/langfuse/blob/2ec7d561c10068bd6949191ffa653d230782531c/docker-compose.yml", "validation_status": "unvalidated" }, { "order": 5, "kind": "verify", "language": "text", "label": "Open the app", "body": "Open http://localhost:3000. The compose file publishes host port 3000 for the langfuse-web service.", "source_url": "https://github.com/langfuse/langfuse/blob/2ec7d561c10068bd6949191ffa653d230782531c/docker-compose.yml", "validation_status": "unvalidated" } ], "notes": [ { "kind": "gotcha", "title": "Some images use the latest tag or no tag", "body": "Images without a pinned version: minio: cgr.dev/chainguard/minio (no tag). A later pull can get a different version.", "source_url": "https://github.com/langfuse/langfuse/blob/2ec7d561c10068bd6949191ffa653d230782531c/docker-compose.yml", "checked_at": "2026-10-22" }, { "kind": "gotcha", "title": "The compose file has placeholder values", "body": "Lines with a CHANGEME comment set: DATABASE_URL, SALT, ENCRYPTION_KEY, CLICKHOUSE_PASSWORD, LANGFUSE_S3_EVENT_UPLOAD_SECRET_ACCESS_KEY, LANGFUSE_S3_MEDIA_UPLOAD_SECRET_ACCESS_KEY, LANGFUSE_S3_BATCH_EXPORT_SECRET_ACCESS_KEY, REDIS_AUTH, NEXTAUTH_SECRET, MINIO_ROOT_PASSWORD, POSTGRES_PASSWORD.", "source_url": "https://github.com/langfuse/langfuse/blob/2ec7d561c10068bd6949191ffa653d230782531c/docker-compose.yml", "checked_at": "2026-10-22" }, { "kind": "gotcha", "title": "The compose file publishes host ports", "body": "Host ports: 127.0.0.1:3030 (langfuse-worker), 3000 (langfuse-web), 127.0.0.1:8123 (clickhouse), 127.0.0.1:9000 (clickhouse), 9090 (minio), 127.0.0.1:9091 (minio), 127.0.0.1:6379 (redis), 127.0.0.1:5432 (postgres). A port without a host address listens on all host network interfaces.", "source_url": "https://github.com/langfuse/langfuse/blob/2ec7d561c10068bd6949191ffa653d230782531c/docker-compose.yml", "checked_at": "2026-10-22" }, { "kind": "gotcha", "title": "Some directories have a different license", "body": "The LICENSE file says some parts of the repository are under another license. Everything else is under the MIT license. Directories named in the file: ee/, web/src/ee/, worker/src/ee/.", "source_url": "https://github.com/langfuse/langfuse/blob/2ec7d561c10068bd6949191ffa653d230782531c/LICENSE", "checked_at": "2026-10-22" } ], "signals": { "captured_at": "2026-10-22", "stars": 36172, "forks": 4042, "open_issues": 1096, "last_push": "2026-10-22", "days_since_push": 0, "latest_release": "v4.67.0", "latest_release_date": "2026-10-21", "days_since_release": 0 }, "links": { "html": "https://openlogs.fyi/tools/langfuse", "markdown": "https://openlogs.fyi/tools/langfuse.md", "json": "https://openlogs.fyi/tools/langfuse.json" }, "updated_at": "2026-10-22" }