deploy.yaml

version: "2.0"  # Specifies the SDL version.

services:
  langflow:
    image: langflowai/langflow:latest  # Uses the latest Langflow image.
    expose:
      - port: 7860        # Port Langflow uses to serve traffic.
        as: 80            # Exposes the service internally on port 80.
        to:
          - global: true  # Allows global access to Langflow.
    depends_on:
      - postgres          # Specifies dependency on the postgres service to start first.
    env:
      - LANGFLOW_DATABASE_URL=postgresql://langflow:langflow@postgres:5432/langflow  # Database connection string in URL format for PostgreSQL.
      - LANGFLOW_CONFIG_DIR=/app/config  # Directory where Langflow will store its configuration files.
      - LANGFLOW_HOST=0.0.0.0  # Host address for Langflow, set to 0.0.0.0 to allow external connections.
      - LANGFLOW_PORT=7860     # Port Langflow will use; must match the exposed port.
    volumes:
      - langflow_data:/app/config  # Persistent storage for Langflow configurations.

  postgres:
    image: postgres:16  # Specifies the PostgreSQL version 16 image.
    expose:
      - port: 5432        # PostgreSQL default port.
        as: 5432          # Exposes PostgreSQL on the same port.
        to:
          - service: langflow  # Restricts PostgreSQL access to the Langflow service.
    env:
      - POSTGRES_USER=langflow      # Database user.
      - POSTGRES_PASSWORD=langflow  # Database password.
      - POSTGRES_DB=langflow        # Database name.
    volumes:
      - postgres_data:/var/lib/postgresql/data  # Persistent storage for PostgreSQL data.

profiles:
  compute:
    langflow:
      resources:
        cpu:
          units: 8.0        # CPU units allocated to Langflow.
        memory:
          size: 16Gi        # Memory allocated to Langflow.
        storage:
          size: 100Gi       # Storage size allocated to Langflow.
    postgres:
      resources:
        cpu:
          units: 2.0        # CPU units allocated to PostgreSQL.
        memory:
          size: 4Gi         # Memory allocated to PostgreSQL.
        storage:
          size: 50Gi        # Storage size allocated to PostgreSQL.

  storage:
    langflow_data:
      size: 5Gi  # Defines a persistent volume for Langflow data.
    postgres_data:
      size: 5Gi  # Defines a persistent volume for PostgreSQL data.

  placement:
    akash:
      signedBy:
        anyOf:
          - "akash1365yvmc4s7awdyj3n2sav7xfx76adc6dnmlx63"  # Allows deployment by any of these authorized accounts.
      pricing:
        langflow: 
          denom: uakt
          amount: 10000  # Pricing per unit for Langflow.
        postgres:
          denom: uakt
          amount: 5000   # Pricing per unit for PostgreSQL.

deployment:
  langflow:
    akash:
      profile: langflow  # References the Langflow compute profile.
      count: 1           # Specifies one instance of the Langflow service.
  postgres:
    akash:
      profile: postgres  # References the PostgreSQL compute profile.
      count: 1           # Specifies one instance of the PostgreSQL service.