Merge pull request '⏪️ Revert dotenv removal' (#40) from ada/revert-dotenv into main

Reviewed-on: #40

go.mod

@@ -3,6 +3,7 @@ module git.gnous.eu/gnouseu/plakken
 go 1.22
 
 require (
+	github.com/joho/godotenv v1.5.1
 	github.com/redis/go-redis/v9 v9.5.1
 	golang.org/x/crypto v0.22.0
 )

go.sum

@@ -6,6 +6,8 @@ github.com/cespare/xxhash/v2 v2.3.0 h1:UL815xU9SqsFlibzuggzjXhog7bL6oX9BbNZnL2UF
 github.com/cespare/xxhash/v2 v2.3.0/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
 github.com/dgryski/go-rendezvous v0.0.0-20200823014737-9f7001d12a5f h1:lO4WD4F/rVNCu3HqELle0jiPLLBs70cWOduZpkS1E78=
 github.com/dgryski/go-rendezvous v0.0.0-20200823014737-9f7001d12a5f/go.mod h1:cuUVRXasLTGF7a8hSLbxyZXjz+1KgoB3wDUb6vlszIc=
+github.com/joho/godotenv v1.5.1 h1:7eLL/+HRGLY0ldzfGMeQkb7vMd0as4CfYvUVzLqw0N0=
+github.com/joho/godotenv v1.5.1/go.mod h1:f4LDr5Voq0i2e/R5DDNOoa2zzDfwtkZa6DnEwAbqwq4=
 github.com/redis/go-redis/v9 v9.5.1 h1:H1X4D3yHPaYrkL5X06Wh6xNVM/pX0Ft4RV0vMGvLBh8=
 github.com/redis/go-redis/v9 v9.5.1/go.mod h1:hdY0cQFCN4fnSYT6TkisLufl/4W5UIXyv0b/CLO2V2M=
 golang.org/x/crypto v0.22.0 h1:g1v0xeRhjcugydODzvb3mEM9SQ0HGp9s/nh3COQ/C30=

internal/config/config.go

@@ -6,6 +6,8 @@ import (
 	"strconv"
 
 	"git.gnous.eu/gnouseu/plakken/internal/constant"
+	"git.gnous.eu/gnouseu/plakken/internal/utils"
+	"github.com/joho/godotenv"
 )
 
 // InitConfig Structure for program initialisation.
@@ -20,6 +22,13 @@ type InitConfig struct {
 
 // GetConfig Initialise configuration form .env.
 func GetConfig() InitConfig {
+	if utils.FileExist(".env") {
+		err := godotenv.Load()
+		if err != nil {
+			log.Fatalf("Error loading .env file: %v", err)
+		}
+	}
+
 	listenAddress := os.Getenv("PLAKKEN_LISTEN")
 	redisAddress := os.Getenv("PLAKKEN_REDIS_ADDRESS")
 	db := os.Getenv("PLAKKEN_REDIS_DB")

internal/utils/utils.go

@@ -1,8 +1,10 @@
 package utils
 
 import (
+	"errors"
 	"log"
 	mathrand "math/rand/v2"
+	"os"
 	"regexp"
 	"strconv"
 	"strings"
@@ -106,3 +108,10 @@ func ValidKey(key string) bool {
 
 	return result
 }
+
+// FileExist verify if a file exist.
+func FileExist(path string) bool {
+	_, err := os.Stat(path)
+
+	return !errors.Is(err, os.ErrNotExist)
+}