arrival-time-service

Arrival time service is responsible to define a minimal arrival time of available cars around a given location.

Development

Requirements

• go version 1.13.1 or higher
• MongoDB version 4.2.1

Make targets:

• make generate - generate go-clients by its swagger-specification
• make test - run linter and test suite
• make run - run service

Development environment

1. Export config variables or create a .env file consists of configuration variables. Allowed config variables are:

   • ARRIVAL_TIME_SERVICE_LISTEN_ADDR - http-listener address in form of host:port
   • ARRIVAL_TIME_SERVICE_CAR_SERVICE_HOST - cars-service host
   • ARRIVAL_TIME_SERVICE_CAR_SERVICE_BASE_PATH - cars-service base path
   • ARRIVAL_TIME_SERVICE_CAR_SERVICE_LIMIT - a limit of cars responded by cars-service
   • ARRIVAL_TIME_SERVICE_PREDICT_SERVICE_HOST - prediction-service host
   • ARRIVAL_TIME_SERVICE_PREDICT_SERVICE_BASE_PATH - prediction-service base path
   • ARRIVAL_TIME_SERVICE_DATABASE_DSN - MongoDB connection string
   • ARRIVAL_TIME_SERVICE_DATABASE_NAME - MongoDB database path
   • ARRIVAL_TIME_SERVICE_COLLECTION_NAME - MongoDB collection name for storing routes
   • ARRIVAL_TIME_SERVICE_SEARCH_RADIUS - a radius within searching of stored routes allowed
   • ARRIVAL_TIME_SERVICE_ROUTE_TTL_MINUTES - a TTL of cached route

   An example of .env is available in .env.example

2. Execute docker-compose up to launch a Mongo server in docker-container