Added Ports to compose.yml + moved the env check to the config file

configs/config.go

@@ -10,6 +10,8 @@ import (
 func Load() map[string]string {
 	var env map[string]string = make(map[string]string)
 
+	validEnv := []string{"MODE", "OPENWEATHERMAP_API_KEY", "LATITUDE", "LONGITUDE", "PORT"}
+
 	envpath := "./.env"
 
 	if _, err := os.Stat(envpath); err == nil {
@@ -24,35 +26,73 @@ func Load() map[string]string {
 		fmt.Println("No .env file found", err)
 	}
 
-	mode := os.Getenv("MODE")
-	if mode != "" {
-		env["MODE"] = os.Getenv("MODE")
-	}
-
-	openweathermapAPIKey := os.Getenv("OPENWEATHERMAP_API_KEY")
-	if openweathermapAPIKey != "" {
-		env["OPENWEATHERMAP_API_KEY"] = openweathermapAPIKey
-	}
-
-	latitude := os.Getenv("LATITUDE")
-	if latitude != "" {
-		env["LATITUDE"] = latitude
-	}
-
-	longitude := os.Getenv("LONGITUDE")
-	if longitude != "" {
-		env["LONGITUDE"] = longitude
-	}
-
-	port := os.Getenv("PORT")
-	if port != "" {
-		env["PORT"] = port
+	for _, key := range validEnv {
+		tempenv := os.Getenv(key)
+		if tempenv != "" {
+			env[key] = tempenv
+		}
 	}
 
 	if len(env) == 0 {
 		fmt.Println("no environment variables are set")
 		os.Exit(1)
 	}
+	
+	if val, ok := env["MODE"]; ok {
+		if val == "" {
+			env["MODE"] = "calc"
+		}
+	} else {
+		env["MODE"] = "calc"
+	}
+
+	env["MODE"] = strings.ToLower(env["MODE"])
+	switch env["MODE"] {
+		case "both":
+			checkEnvWeather(env)
+			checkEnvCalc(env)
+		case "weather":
+			checkEnvWeather(env)
+		default:
+			env["MODE"] = "calc"
+	}
 
 	return env
 }
+
+func checkEnvWeather(env map[string]string) {
+	// Is there an API key for openweathermap?
+	if val, ok := env["OPENWEATHERMAP_API_KEY"]; ok {
+		if val == "" {
+			print("OPENWEATHERMAP_API_KEY is not set")
+			os.Exit(1)
+		}
+	} else {
+		fmt.Println("OPENWEATHERMAP_API_KEY is not set")
+		os.Exit(1)
+	}
+
+	// Is there a LATITUDE and LONGITUDE?
+	if val, ok := env["LATITUDE"]; ok {
+		if val == "" {
+			print("LATITUDE is not set")
+			os.Exit(1)
+		}
+	} else {
+		fmt.Println("LATITUDE is not set")
+		os.Exit(1)
+	}
+	if val, ok := env["LONGITUDE"]; ok {
+		if val == "" {
+			print("LONGITUDE is not set")
+			os.Exit(1)
+		}
+	} else {
+		fmt.Println("LONGITUDE is not set")
+		os.Exit(1)
+	}
+}
+
+func checkEnvCalc(env map[string]string) {
+	// Check for calc variables
+}

example/compose.yml

@@ -3,8 +3,10 @@ services:
         restart: always
         container_name: humiditycalc2
         image: ghcr.io/leroid-hub/humiditycalc:latest
+        ports:
+            - 80:8080
         environment:
           OPENWEATHERMAP_API_KEY: "YOURAPIKEY"
           LATITUDE: "52.51"
           LONGITUDE: "13.404"
-          MODE: "BOTH"
+          MODE: "BOTH"

main.go

@@ -11,32 +11,16 @@ import (
 
 func main() {
 	env := configs.Load()
-	if val, ok := env["MODE"]; ok {
-		if strings.ToLower(val) == "both" {
-			checkEnv(env)
+	
+	switch env["MODE"] {
+		case "both":
+			server.Run(env)
+		case "weather":
 			server.Run(env)
-		} else if strings.ToLower(val) == "weather" {
-			checkEnv(env)
 			// weather.Run()
-		} else if strings.ToLower(val) == "calc" {
-			// calc.Run()
+		case "calc":
+			server.Run(env)
+			// calc.Run()
+		default:
 			server.Run(env)
-		}
-	} else {
-		// calc.Run()
-		server.Run(env)
-	}
-}
 
-func checkEnv(env map[string]string) {
-	// Is there an API key for openweathermap?
-	if val, ok := env["OPENWEATHERMAP_API_KEY"]; ok {
-		if val == "" {
-			print("OPENWEATHERMAP_API_KEY is not set")
-			os.Exit(1)
-		}
-	} else {
-		fmt.Println("OPENWEATHERMAP_API_KEY is not set")
-		os.Exit(1)
-	}
-}