carpool-incentives/config.go

package main

import (
	"strings"

	"github.com/spf13/viper"
)

func ReadConfig() (*viper.Viper, error) {

	defaults := map[string]any{
		"name":    "COOPGO Carpool Incentives",
		"dev_env": false,
		"storage": map[string]any{
			"db": map[string]any{
				"type": "psql",
				"mongodb": map[string]any{
					"host":    "localhost",
					"port":    27017,
					"db_name": "coopgo_platform",
					"collections": map[string]string{
						"incentive_subscriptions": "carpool_incentive_subscriptions",
						"proofs":                  "carpool_proofs",
					},
				},
				"psql": map[string]any{
					"host":     "localhost",
					"port":     5432,
					"user":     "postgres",
					"password": "postgres",
					"dbname":   "coopgo_platform",
					"schema":   "carpool_incentives",
					"sslmode":  "disable",
					"tables": map[string]string{
						"incentive_subscriptions": "incentive_subscriptions",
						"proofs":                  "proofs",
					},
				},
			},
		},
		"services": map[string]any{
			"grpc": map[string]any{
				"enable": true,
				"port":   8080,
			},
		},
	}

	v := viper.New()
	for key, value := range defaults {
		v.SetDefault(key, value)
	}
	v.SetConfigName("config")
	v.AddConfigPath(".")
	v.SetEnvKeyReplacer(strings.NewReplacer(".", "_"))
	v.AutomaticEnv()
	err := v.ReadInConfig()
	return v, err
}