41 lines
569 B
Go
41 lines
569 B
Go
|
package main
|
||
|
|
||
|
import (
|
||
|
"database/sql"
|
||
|
"log"
|
||
|
|
||
|
"github.com/joho/godotenv"
|
||
|
_ "github.com/lib/pq"
|
||
|
"github.com/namsral/flag"
|
||
|
)
|
||
|
|
||
|
var (
|
||
|
DbUrl string
|
||
|
db *sql.DB
|
||
|
)
|
||
|
|
||
|
func init() {
|
||
|
err := godotenv.Load()
|
||
|
if err != nil {
|
||
|
log.Fatal("Error loading .env file")
|
||
|
}
|
||
|
flag.StringVar(&DbUrl, "DATABASE_URL", "", "Database URL")
|
||
|
flag.Parse()
|
||
|
validateFlags()
|
||
|
db = initDb()
|
||
|
}
|
||
|
|
||
|
func initDb() *sql.DB {
|
||
|
db, err := sql.Open("postgres", DbUrl)
|
||
|
if err != nil {
|
||
|
log.Fatal(err)
|
||
|
}
|
||
|
return db
|
||
|
}
|
||
|
|
||
|
func validateFlags() {
|
||
|
if DbUrl == "" {
|
||
|
log.Fatal("DATABASE_URL not set")
|
||
|
}
|
||
|
}
|