Environment variables:
ENGINE_DB_TYPE=mongodb # must be one of mongodb|dynamodb|postgresql|sqlite
# for mongodb
MONGODB_URI=mongodb://username:password@localhost:27017
MONGODB_DATABASE=csml
# for postgresql
POSTGRESQL_URL=postgres://user:password@hostname:port/database
# for sqlite
SQLITE_URL=csml.db
# for dynamodb (also requires S3 for storage of large items)
AWS_ACCESS_KEY_ID= # or use a local IAM role
AWS_SECRET_ACCESS_KEY= # or use a local IAM role
AWS_REGION=
AWS_DYNAMODB_ENDPOINT= # optional, defaults to the dynamodb endpoint for the given region.
AWS_DYNAMODB_TABLE=
AWS_S3_ENDPOINT= # optional, defaults to the S3 endpoint for the given region
AWS_S3_BUCKET=
# CSML Server configuration
ENGINE_SERVER_PORT=5000
ENGINE_SERVER_API_KEYS=someAuthKey4CsmlServer,someOtherAuthKey
# Other optional engine configuration
ENGINE_ENCRYPTION_SECRET=some-secret-string # if not set, data will not be stored encrypted
TTL_DURATION=30 # auto-remove chatbot user data after X days
LOW_DATA_MODE=true # do not store contents of sent/received messages
STEP_LIMIT=30 # step the limit of steps that the interpreter can handle per request
DISABLE_SSL_VERIFY=false # reach trusted endpoints with known invalid certificates
DEBUG=true # print debug output in console
CSML_LOG_LEVEL=error # print log output in stderr. Possible values are error, warn, info, debug, trace.
MODULES_URL= # default module repository base url
MODULES_AUTH= # default module auth token