Initial commit

env.go

@@ -0,0 +1,74 @@
+package baseproject
+
+import (
+	"github.com/uberswe/golang-base-project/config"
+	"github.com/uberswe/golang-base-project/util"
+	"log"
+	"os"
+	"strconv"
+)
+
+func loadEnvVariables() (c config.Config) {
+	c.Port = ":8080"
+	if os.Getenv("PORT") != "" {
+		c.Port = os.Getenv("PORT")
+	}
+
+	c.BaseURL = "https://golangbase.com/"
+	if os.Getenv("BASE_URL") != "" {
+		c.BaseURL = os.Getenv("BASE_URL")
+	}
+
+	// A random secret will be generated when the application starts if no secret is provided. It is highly recommended to provide a secret.
+	c.CookieSecret = util.GenerateULID()
+	if os.Getenv("COOKIE_SECRET") != "" {
+		c.CookieSecret = os.Getenv("COOKIE_SECRET")
+	}
+
+	c.Database = "sqlite"
+	if os.Getenv("DATABASE") != "" {
+		c.Database = os.Getenv("DATABASE")
+	}
+	if os.Getenv("DATABASE_NAME") != "" {
+		c.DatabaseName = os.Getenv("DATABASE_NAME")
+	}
+	if os.Getenv("DATABASE_HOST") != "" {
+		c.DatabaseHost = os.Getenv("DATABASE_HOST")
+	}
+	if os.Getenv("DATABASE_PORT") != "" {
+		c.DatabasePort = os.Getenv("DATABASE_PORT")
+	}
+	if os.Getenv("DATABASE_USERNAME") != "" {
+		c.DatabaseUsername = os.Getenv("DATABASE_USERNAME")
+	}
+	if os.Getenv("DATABASE_PASSWORD") != "" {
+		c.DatabasePassword = os.Getenv("DATABASE_PASSWORD")
+	}
+
+	if os.Getenv("SMTP_USERNAME") != "" {
+		c.SMTPUsername = os.Getenv("SMTP_USERNAME")
+	}
+	if os.Getenv("SMTP_PASSWORD") != "" {
+		c.SMTPPassword = os.Getenv("SMTP_PASSWORD")
+	}
+	if os.Getenv("SMTP_HOST") != "" {
+		c.SMTPHost = os.Getenv("SMTP_HOST")
+	}
+	if os.Getenv("SMTP_PORT") != "" {
+		c.SMTPPort = os.Getenv("SMTP_PORT")
+	}
+	if os.Getenv("SMTP_SENDER") != "" {
+		c.SMTPSender = os.Getenv("SMTP_SENDER")
+	}
+
+	c.RequestsPerMinute = 5
+	if os.Getenv("REQUESTS_PER_MINUTE") != "" {
+		i, err := strconv.Atoi(os.Getenv("REQUESTS_PER_MINUTE"))
+		if err != nil {
+			log.Fatalln(err)
+			return
+		}
+		c.RequestsPerMinute = i
+	}
+	return c
+}