Config

machines/app/cfg/config.go

@@ -0,0 +1,24 @@
+package cfg
+
+import (
+	"github.com/kelseyhightower/envconfig"
+)
+
+type configStruct struct {
+	DbHost     string `default:"localhost"`
+	DbPort     int    `default:"55432"`
+	DbName     string `default:"komponiranje"`
+	DbUser     string `default:"pero"`
+	DbPassword string `default:"pero.000"`
+}
+
+const ENV_PREFIX = ""
+
+var Config configStruct
+
+func init() {
+	err := envconfig.Process(ENV_PREFIX, &Config)
+	if err != nil {
+		panic(err)
+	}
+}

machines/app/db/db.go

@@ -2,25 +2,20 @@ package db
 
 import (
 	"fmt"
+	"machines/app/cfg"
 
 	"gorm.io/driver/postgres"
 	"gorm.io/gorm"
 	gormLogger "gorm.io/gorm/logger"
 )
 
-var dbHost = "localhost"
-var dbPort = 55432
-var dbUser = "pero"
-var dbPassword = "pero.000"
-var dbName = "komponiranje"
-
 func ConnectDb() *gorm.DB {
 	var connectionString = fmt.Sprintf("postgres://%s:%s@%s:%d/%s?sslmode=disable",
-		dbUser,
-		dbPassword,
-		dbHost,
-		dbPort,
-		dbName,
+		cfg.Config.DbUser,
+		cfg.Config.DbPassword,
+		cfg.Config.DbHost,
+		cfg.Config.DbPort,
+		cfg.Config.DbName,
 	)
 
 	var err error

machines/go.mod

@@ -24,6 +24,7 @@ require (
 	github.com/jinzhu/inflection v1.0.0 // indirect
 	github.com/jinzhu/now v1.1.5 // indirect
 	github.com/json-iterator/go v1.1.12 // indirect
+	github.com/kelseyhightower/envconfig v1.4.0 // indirect
 	github.com/klauspost/cpuid/v2 v2.2.4 // indirect
 	github.com/kr/text v0.2.0 // indirect
 	github.com/leodido/go-urn v1.2.4 // indirect

machines/go.sum

@@ -42,6 +42,8 @@ github.com/jinzhu/now v1.1.5 h1:/o9tlHleP7gOFmsnYNz3RGnqzefHA47wQpKrrdTIwXQ=
 github.com/jinzhu/now v1.1.5/go.mod h1:d3SSVoowX0Lcu0IBviAWJpolVfI5UJVZZ7cO71lE/z8=
 github.com/json-iterator/go v1.1.12 h1:PV8peI4a0ysnczrg+LtxykD8LfKY9ML6u2jnxaEnrnM=
 github.com/json-iterator/go v1.1.12/go.mod h1:e30LSqwooZae/UwlEbR2852Gd8hjQvJoHmT4TnhNGBo=
+github.com/kelseyhightower/envconfig v1.4.0 h1:Im6hONhd3pLkfDFsbRgu68RDNkGF1r3dvMUtDTo2cv8=
+github.com/kelseyhightower/envconfig v1.4.0/go.mod h1:cccZRl6mQpaq41TPp5QxidR+Sa3axMbJDNb//FQX6Gg=
 github.com/klauspost/cpuid/v2 v2.0.9/go.mod h1:FInQzS24/EEf25PyTYn52gqo7WaD8xa0213Md/qVLRg=
 github.com/klauspost/cpuid/v2 v2.2.4 h1:acbojRNwl3o09bUq+yDCtZFc1aiwaAAxtcn8YkZXnvk=
 github.com/klauspost/cpuid/v2 v2.2.4/go.mod h1:RVVoqg1df56z8g3pUjL/3lE5UfnlrJX8tyFgg4nqhuY=