我查看了各种资源。我不确定如何完成这项任务。我可以在本地连接没问题,但我无法轻松连接到远程。我需要传递 RSA .pem 密钥,但我不太确定如何在不强制不安全连接的情况下执行此操作
package main
import (
"database/sql"
"fmt"
"os"
_ "github.com/lib/pq"
)
var (
dbUser = os.Getenv("DB_USER")
dbPass = os.Getenv("DB_PASS")
dbName = os.Getenv("DB_NAME")
dbHost = os.Getenv("DB_HOST")
dbPort = os.Getenv("DB_PORT")
sslMode = os.Getenv("SSLMODE")
)
// ConnectDb is a short cut function that takes parameters through
// CLI that returns a pointer to a sql.DB connection.
// It takes no arguments.
func ConnectDb() (*sql.DB, error) {
db, err := sql.Open("postgres", getDbInfo())
CheckErr(err, "Unable to connecto tthe DB")
if err := db.Ping(); err != nil {
return nil, err
}
return db, nil
}
func getDbInfo() string {
var dbInfo string
if dbName != "" {
dbInfo += fmt.Sprintf("dbname=%s ", dbName)
} else {
dbInfo += fmt.Sprintf("dbname=%s ", "development")
}
// checks for nil value
if dbUser != "" {
dbInfo += fmt.Sprintf("dbuser=%s ", "user")
}
// checks for nil value
if dbPass != "" {
dbInfo += fmt.Sprintf("dbpass=%s ", dbPass)
}
if sslMode != "" {
dbInfo += fmt.Sprintf("sslmode=%s", sslMode)
} else {
dbInfo += fmt.Sprintf("sslmode=disable")
}
return dbInfo
}
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