Use simple connection string in config

config/config.go

@@ -6,23 +6,13 @@ import (
 
 // Config contains all needed configurations
 type Config struct {
-	DatabaseUser     string
-	DatabaseHost     string
-	DatabasePassword string
-	DatabaseName     string
+	DatabaseConnection string
 }
 
 // LoadConfig from path
 func LoadConfig() (*Config, error) {
 	configuration := Config{
-		DatabaseUser:     os.Getenv("BUDGETEER_DB_USER"),
-		DatabaseHost:     os.Getenv("BUDGETEER_DB_HOST"),
-		DatabasePassword: os.Getenv("BUDGETEER_DB_PASS"),
-		DatabaseName:     os.Getenv("BUDGETEER_DB_NAME"),
-	}
-
-	if configuration.DatabaseName == "" {
-		configuration.DatabaseName = "budgeteer"
+		DatabaseConnection: os.Getenv("BUDGETEER_DB"),
 	}
 
 	return &configuration, nil

docker-compose.dev.yml

@@ -18,15 +18,14 @@ services:
                         - ~/.go:/go
                         - ~/.cache:/.cache
                 environment:
-                        BUDGETEER_DB_NAME: budgeteer
-                        BUDGETEER_DB_USER: budgeteer
-                        BUDGETEER_DB_PASS: budgeteer
-                        BUDGETEER_DB_HOST: db:5432
+                        BUDGETEER_DB: postgres://budgeteer:budgeteer@db:5432/budgeteer
                 depends_on:
                         - db
 
         db:
                 image: postgres:14
+                ports:
+                        - 5432:5432
                 volumes:
                         - db:/var/lib/postgresql/data
                 environment:

postgres/conn.go

@@ -18,8 +18,7 @@ type Database struct {
 }
 
 // Connect to a database
-func Connect(server string, user string, password string, database string) (*Database, error) {
-	connString := fmt.Sprintf("postgres://%s:%s@%s/%s", user, password, server, database)
+func Connect(connString string) (*Database, error) {
 	conn, err := sql.Open("pgx", connString)
 	if err != nil {
 		return nil, fmt.Errorf("open connection: %w", err)