feat: bootstrap foundation application

apps/server/internal/database/database.go

@@ -0,0 +1,79 @@
+package database
+
+import (
+	"context"
+	"database/sql"
+	"fmt"
+	"os"
+	"path/filepath"
+	"time"
+
+	libsql "github.com/tursodatabase/go-libsql"
+
+	"github.com/tim/md-hub-secure/apps/server/internal/config"
+)
+
+type DB interface {
+	SQL() *sql.DB
+	Close() error
+}
+
+type dbHandle struct {
+	sql *sql.DB
+}
+
+func Open(ctx context.Context, cfg config.DatabaseConfig) (DB, error) {
+	if err := os.MkdirAll(filepath.Dir(cfg.Path), 0o755); err != nil {
+		return nil, fmt.Errorf("create database directory: %w", err)
+	}
+
+	var (
+		db  *sql.DB
+		err error
+	)
+	if cfg.PrimaryURL == "" {
+		db, err = sql.Open("libsql", "file:"+cfg.Path)
+		if err != nil {
+			return nil, fmt.Errorf("open local libsql database: %w", err)
+		}
+	} else {
+		var opts []libsql.Option
+		if cfg.AuthToken != "" {
+			opts = append(opts, libsql.WithAuthToken(cfg.AuthToken))
+		}
+
+		connector, err := libsql.NewEmbeddedReplicaConnector(cfg.Path, cfg.PrimaryURL, opts...)
+		if err != nil {
+			return nil, fmt.Errorf("create libsql connector: %w", err)
+		}
+
+		db = sql.OpenDB(connector)
+	}
+
+	db.SetConnMaxLifetime(5 * time.Minute)
+	db.SetMaxOpenConns(1)
+	db.SetMaxIdleConns(1)
+
+	if err := db.PingContext(ctx); err != nil {
+		return nil, fmt.Errorf("ping database: %w", err)
+	}
+
+	var journalMode string
+	if err := db.QueryRowContext(ctx, "PRAGMA journal_mode=WAL").Scan(&journalMode); err != nil {
+		return nil, fmt.Errorf("enable wal mode: %w", err)
+	}
+
+	if _, err := db.ExecContext(ctx, "PRAGMA foreign_keys=ON"); err != nil {
+		return nil, fmt.Errorf("enable foreign keys: %w", err)
+	}
+
+	return &dbHandle{sql: db}, nil
+}
+
+func (d *dbHandle) SQL() *sql.DB {
+	return d.sql
+}
+
+func (d *dbHandle) Close() error {
+	return d.sql.Close()
+}