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microservice connection checker

This is a simple Sinatra application that provides endpoints to check the connection to a PostgreSQL database and a Redis instance.

Endpoints

  • /: Welcome message and available routes.
  • /check/db: Check the connection to the PostgreSQL database.
  • /check/redis: Check the connection to the Redis instance.

Setup

Prerequisites

  • Docker
  • PostgreSQL
  • Redis

Environment Variables

The following environment variables need to be set:

  • POSTGRESQL_DATABASE: The name of the PostgreSQL database.
  • POSTGRESQL_USERNAME: The username for the PostgreSQL database.
  • POSTGRESQL_PASSWORD: The password for the PostgreSQL database.
  • POSTGRESQL_ADDRESS: The host address of the PostgreSQL database.
  • POSTGRESQL_PORT: The port of the PostgreSQL database.
  • REDIS_URL: The URL of the Redis instance.
  • ENV_SECRET: A secret key used to display environment variables in error responses.

Building the Docker Image

docker build -t microservice-connection-checker .