44 lines
1010 B
Go
44 lines
1010 B
Go
package database
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import (
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"database/sql"
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"fmt"
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"github.com/golang-migrate/migrate/v4"
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"github.com/golang-migrate/migrate/v4/database/postgres"
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_ "github.com/golang-migrate/migrate/v4/source/file"
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_ "github.com/lib/pq"
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)
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func Connect(databaseURL string) (*sql.DB, error) {
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db, err := sql.Open("postgres", databaseURL)
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if err != nil {
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return nil, fmt.Errorf("open db: %w", err)
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}
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if err := db.Ping(); err != nil {
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return nil, fmt.Errorf("ping db: %w", err)
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}
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db.SetMaxOpenConns(25)
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db.SetMaxIdleConns(5)
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return db, nil
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}
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func RunMigrations(db *sql.DB) error {
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driver, err := postgres.WithInstance(db, &postgres.Config{})
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if err != nil {
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return fmt.Errorf("migration driver: %w", err)
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}
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m, err := migrate.NewWithDatabaseInstance(
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"file://internal/database/migrations",
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"postgres",
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driver,
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)
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if err != nil {
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return fmt.Errorf("migrate init: %w", err)
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}
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if err := m.Up(); err != nil && err != migrate.ErrNoChange {
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return fmt.Errorf("migrate up: %w", err)
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}
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return nil
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}
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