support self-hosted langgraph api server

.dockerignore

@@ -1,13 +1,51 @@
+# Ignore node_modules and other dependency directories
+node_modules
+bower_components
+vendor
+
+# Ignore logs and temporary files
+*.log
+*.tmp
+*.swp
+
+# Ignore .env files and other environment files
+.env
+.env.*
+*.local
+
+# Ignore git-related files
 .git
+.gitignore
+
+# Ignore Docker-related files and configs
+.dockerignore
+docker-compose.yml
+
+# Ignore build and cache directories
+dist
+build
+.cache
+__pycache__
+
+# Ignore IDE and editor configurations
+.vscode
+.idea
+*.sublime-project
+*.sublime-workspace
+.DS_Store  # macOS-specific
+
+# Ignore test and coverage files
+coverage
+*.coverage
+*.test.js
+*.spec.js
+tests
+
+# Project
 .github
 .venv
 *.pyc
-*.env
-.coverage
 .devcontainer
-.gitignore
 .pre-commit-config.yaml
 .pytest_cache
 .ruff_cache
-__pycache__
-tests

docker-compose.yml

@@ -1,63 +1,56 @@
+volumes:
+  langgraph-data:
+    driver: local
+
 services:
-  qdrant:
-    image: qdrant/qdrant:v1.15.1
-    container_name: qdrant
+  langgraph-redis:
+    image: redis:6
+    healthcheck:
+      test: redis-cli ping
+      interval: 5s
+      timeout: 1s
+      retries: 5
+
+  langgraph-postgres:
+    image: pgvector/pgvector:pg16
     ports:
-      - "6333:6333" # Dashboard: http://localhost:6333/dashboard
-    volumes:
-      - ./assets/qdrant_data:/qdrant/storage
-  elasticsearch:
-    build:
-      dockerfile: elasticsearch.Dockerfile
-    container_name: elasticsearch
-    ports:
-      - "9200:9200"
-      - "9300:9300"
+      - "5433:5432"
     environment:
-      - discovery.type=single-node
-      - xpack.security.enabled=false
+      POSTGRES_DB: postgres
+      POSTGRES_USER: postgres
+      POSTGRES_PASSWORD: postgres
+    command:
+      - postgres
+      - -c
+      - shared_preload_libraries=vector
     volumes:
-      - ./assets/es_data:/usr/share/elasticsearch/data
-  postgres:
-    image: postgres:17
-    container_name: postgres
+      - langgraph-data:/var/lib/postgresql/data
+    healthcheck:
+      test: pg_isready -U postgres
+      start_period: 10s
+      timeout: 1s
+      retries: 5
+      interval: 60s
+      start_interval: 1s
+
+  langgraph-api:
     ports:
-      - "5432:5432"
-    volumes:
-      - ./assets/postgres_data:/var/lib/postgresql/data
-      - ./data:/docker-entrypoint-initdb.d
-    environment:
-      POSTGRES_USER: user
-      POSTGRES_PASSWORD: password
-      POSTGRES_DB: db
-    restart: always
-  jaeger:
-    image: jaegertracing/all-in-one:1.72.0
-    container_name: jaeger
-    environment:
-      - SPAN_STORAGE_TYPE=elasticsearch
-      - ES_SERVER_URLS=http://elasticsearch:9200
-      - LOG_LEVEL=debug
-    ports:
-      - "16686:16686" # to access the Jaeger UI
-      - "4317:4317"
-      - "4318:4318"
-      - "5778:5778"
-      - "9411:9411"
+      - "8123:8000"
     depends_on:
-      - elasticsearch
-    restart: unless-stopped
-  # FIXME: disable for now since its port conflicts with jaeger
-  # otel-collector:
-  #   image: otel/opentelemetry-collector-contrib:latest
-  #   container_name: otel-collector
-  #   volumes:
-  #     - ./otel-collector-config.yaml:/etc/otelcol-contrib/config.yaml
-  #   ports:
-  #     - 1888:1888 # pprof extension
-  #     - 8888:8888 # Prometheus metrics exposed by the Collector
-  #     - 8889:8889 # Prometheus exporter metrics
-  #     - 13133:13133 # health_check extension
-  #     - 4317:4317 # OTLP gRPC receiver
-  #     - 4318:4318 # OTLP http receiver
-  #     - 55679:55679 # zpages extension
+      langgraph-redis:
+        condition: service_healthy
+      langgraph-postgres:
+        condition: service_healthy
+    environment:
+      REDIS_URI: redis://langgraph-redis:6379
+      POSTGRES_URI: postgres://postgres:postgres@langgraph-postgres:5432/postgres?sslmode=disable
+    healthcheck:
+      test: python /api/healthcheck.py
+      interval: 60s
+      start_interval: 1s
+      start_period: 10s
+    env_file:
+      - .env
+    build:
+      context: .
+      dockerfile: langgraph.Dockerfile

langgraph.Dockerfile

@@ -0,0 +1,26 @@
+FROM langchain/langgraph-api:3.11
+
+
+
+# -- Adding local package . --
+ADD . /deps/template-langgraph
+# -- End of local package . --
+
+# -- Installing all local dependencies --
+RUN PYTHONDONTWRITEBYTECODE=1 uv pip install --system --no-cache-dir -c /api/constraints.txt -e /deps/*
+# -- End of local dependencies install --
+ENV LANGSERVE_GRAPHS='{"chat_with_tools_agent": "template_langgraph.agents.chat_with_tools_agent.agent:graph", "demo_agents_parallel_rag_agent": "template_langgraph.agents.demo_agents.parallel_rag_agent.agent:graph", "demo_agents_multi_agent": "template_langgraph.agents.demo_agents.multi_agent:graph", "demo_agents_research_deep_agent": "template_langgraph.agents.demo_agents.research_deep_agent:graph", "demo_agents_weather_agent": "template_langgraph.agents.demo_agents.weather_agent:graph", "image_classifier_agent": "template_langgraph.agents.image_classifier_agent.agent:graph", "issue_formatter_agent": "template_langgraph.agents.issue_formatter_agent.agent:graph", "kabuto_helpdesk_agent": "template_langgraph.agents.kabuto_helpdesk_agent.agent:graph", "news_summarizer_agent": "template_langgraph.agents.news_summarizer_agent.agent:graph", "supervisor_agent": "template_langgraph.agents.supervisor_agent.agent:graph", "task_decomposer_agent": "template_langgraph.agents.task_decomposer_agent.agent:graph"}'
+
+
+
+# -- Ensure user deps didn't inadvertently overwrite langgraph-api
+RUN mkdir -p /api/langgraph_api /api/langgraph_runtime /api/langgraph_license && touch /api/langgraph_api/__init__.py /api/langgraph_runtime/__init__.py /api/langgraph_license/__init__.py
+RUN PYTHONDONTWRITEBYTECODE=1 uv pip install --system --no-cache-dir --no-deps -e /api
+# -- End of ensuring user deps didn't inadvertently overwrite langgraph-api --
+# -- Removing build deps from the final image ~<:===~~~ --
+RUN pip uninstall -y pip setuptools wheel
+RUN rm -rf /usr/local/lib/python*/site-packages/pip* /usr/local/lib/python*/site-packages/setuptools* /usr/local/lib/python*/site-packages/wheel* && find /usr/local/bin -name "pip*" -delete || true
+RUN rm -rf /usr/lib/python*/site-packages/pip* /usr/lib/python*/site-packages/setuptools* /usr/lib/python*/site-packages/wheel* && find /usr/bin -name "pip*" -delete || true
+RUN uv pip uninstall --system pip setuptools wheel && rm /usr/bin/uv /usr/bin/uvx
+
+WORKDIR /deps/template-langgraph

tools.docker-compose.yml

@@ -0,0 +1,63 @@
+services:
+  qdrant:
+    image: qdrant/qdrant:v1.15.1
+    container_name: qdrant
+    ports:
+      - "6333:6333" # Dashboard: http://localhost:6333/dashboard
+    volumes:
+      - ./assets/qdrant_data:/qdrant/storage
+  elasticsearch:
+    build:
+      dockerfile: elasticsearch.Dockerfile
+    container_name: elasticsearch
+    ports:
+      - "9200:9200"
+      - "9300:9300"
+    environment:
+      - discovery.type=single-node
+      - xpack.security.enabled=false
+    volumes:
+      - ./assets/es_data:/usr/share/elasticsearch/data
+  postgres:
+    image: postgres:17
+    container_name: postgres
+    ports:
+      - "5432:5432"
+    volumes:
+      - ./assets/postgres_data:/var/lib/postgresql/data
+      - ./data:/docker-entrypoint-initdb.d
+    environment:
+      POSTGRES_USER: user
+      POSTGRES_PASSWORD: password
+      POSTGRES_DB: db
+    restart: always
+  jaeger:
+    image: jaegertracing/all-in-one:1.72.0
+    container_name: jaeger
+    environment:
+      - SPAN_STORAGE_TYPE=elasticsearch
+      - ES_SERVER_URLS=http://elasticsearch:9200
+      - LOG_LEVEL=debug
+    ports:
+      - "16686:16686" # to access the Jaeger UI
+      - "4317:4317"
+      - "4318:4318"
+      - "5778:5778"
+      - "9411:9411"
+    depends_on:
+      - elasticsearch
+    restart: unless-stopped
+  # FIXME: disable for now since its port conflicts with jaeger
+  # otel-collector:
+  #   image: otel/opentelemetry-collector-contrib:latest
+  #   container_name: otel-collector
+  #   volumes:
+  #     - ./otel-collector-config.yaml:/etc/otelcol-contrib/config.yaml
+  #   ports:
+  #     - 1888:1888 # pprof extension
+  #     - 8888:8888 # Prometheus metrics exposed by the Collector
+  #     - 8889:8889 # Prometheus exporter metrics
+  #     - 13133:13133 # health_check extension
+  #     - 4317:4317 # OTLP gRPC receiver
+  #     - 4318:4318 # OTLP http receiver
+  #     - 55679:55679 # zpages extension