42 lines
695 B
Go
42 lines
695 B
Go
package database
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import (
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"database/sql"
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"fmt"
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"time"
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_ "github.com/lib/pq"
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)
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type Config struct {
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Host string
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Port int
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User string
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Password string
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DBName string
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}
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func NewConnection(cfg Config) (*sql.DB, error) {
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dsn := fmt.Sprintf(
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"host=%s port=%d user=%s password=%s dbname=%s sslmode=disable",
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cfg.Host, cfg.Port, cfg.User, cfg.Password, cfg.DBName,
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)
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db, err := sql.Open("postgres", dsn)
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if err != nil {
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return nil, err
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}
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// Connection pooling
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db.SetMaxOpenConns(25)
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db.SetMaxOpenConns(5)
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db.SetConnMaxLifetime(5 * time.Minute)
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db.SetConnMaxIdleTime(10 * time.Minute)
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if err := db.Ping(); err != nil {
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return nil, err
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}
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return db, nil
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}
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