Makefile

@@ -7,4 +7,6 @@ run: build
 build-binary:
 	GOOS=linux GOARCH=amd64 go build -o bins/genityapp -v cmd/*
 
+Dev-run: build-binary build run
+
 .PHONY: build-binary run build

configs/web.env

@@ -1,4 +1,4 @@
-dbhost=${COMPOSE_PROJECT_NAME}_db_1
+dbhost=genitywebapp_db_1
 dbport=5432
 dbuser=root_user
 dbpass=shahzad12

go.mod

@@ -3,6 +3,7 @@ module domain/genityapp
 go 1.14
 
 require (
+	github.com/joho/godotenv v1.3.0
 	github.com/lib/pq v1.8.0
 	github.com/nu7hatch/gouuid v0.0.0-20131221200532-179d4d0c4d8d
 )

internal/app/db.go

@@ -3,14 +3,17 @@ package app
 import (
 	"database/sql"
 	"fmt"
+	"github.com/joho/godotenv"
+	"log"
+	"os"
 )
 
 const (
-	dbhost = "DBHOST"
+	dbhost = "dbhost"
-	dbport = "DBPORT"
+	dbport = "dbport"
-	dbuser = "DBUSER"
+	dbuser = "dbuser"
-	dbpass = "DBPASS"
+	dbpass = "dbpass"
-	dbname = "DBNAME"
+	dbname = "dbname"
 )
 
 var Db *sql.DB
@@ -38,12 +41,33 @@ func CloseDB() {
 	Db.Close()
 }
 
+// return the value of the key
+func goDotEnvVariable(key string) string {
+
+	// load .env file
+	err := godotenv.Load("/go/src/app/configs/web.env")
+
+	if err != nil {
+		log.Fatalf(err.Error())
+	}
+
+	return os.Getenv(key)
+}
+
 func dbConfig() map[string]string {
+
 	conf := make(map[string]string)
-	conf[dbhost] = "genitywebapp_db_1"
+
-	conf[dbport] = "5432"
+	user := goDotEnvVariable(dbuser)
-	conf[dbuser] = "root_user"
+	host := goDotEnvVariable(dbhost)
-	conf[dbpass] = "shahzad12"
+	port := goDotEnvVariable(dbport)
-	conf[dbname] = "db_genity"
+	pass := goDotEnvVariable(dbpass)
+	databaseNname := goDotEnvVariable(dbname)
+
+	conf[dbhost] = host
+	conf[dbport] = port
+	conf[dbuser] = user
+	conf[dbpass] = pass
+	conf[dbname] = databaseNname
 	return conf
 }