Api used to retrieve data
PORT : app port (eg. 3000)
POSTGRESQL_URL : postgres connection string (eg. postgres://user:pass@localhost:5432/db)
INFLUXDB_URL : influxdb url (eg. http://localhost:8086)
INFLUXDB_TOKEN : influxdb api token (eg. 234567890309876542q)
INFLUXDB_BUCKET : influxdb bucket (eg. default)
INFLUXDB_ORG : influxdb organization (eg. org-1)
RABBITMQ_URL : rabbitmq connection string (eg. amqp://localhost)