initial commit

Signed-off-by: Pin <Pin>

db/connectdb.go

@@ -0,0 +1,24 @@
+package db
+
+import (
+	"database/sql"
+	"os"
+	"fmt"
+	"log"
+	_ "github.com/lib/pq"
+)
+
+var conn *sql.DB
+
+func ConnectDB() (error) {
+	psqlInfo := fmt.Sprintf("host=%s port=%s user=%s password=%s dbname=%s sslmode=disable",
+        os.Getenv("HOST"), os.Getenv("PORT"), os.Getenv("DBUSER"), os.Getenv("PASSWD"), os.Getenv("DBNAME"))
+	var err error
+	conn, err = sql.Open("postgres", psqlInfo)
+
+	if err != nil {
+		log.Fatalln(err)
+	}
+	err = conn.Ping()
+	return err
+}