Wrap errors

http/templates.go

@@ -16,7 +16,7 @@ type Templates struct {
 func NewTemplates(funcMap template.FuncMap) (*Templates, error) {
 	templates, err := fs.Glob(web.Templates, "*.tpl")
 	if err != nil {
-		return nil, err
+		return nil, fmt.Errorf("glob: %w", err)
 	}
 
 	result := &Templates{

postgres/conn.go

@@ -22,12 +22,12 @@ func Connect(server string, user string, password string, database string) (*Dat
 	connString := fmt.Sprintf("postgres://%s:%s@%s/%s", user, password, server, database)
 	conn, err := sql.Open("pgx", connString)
 	if err != nil {
-		return nil, err
+		return nil, fmt.Errorf("open connection: %w", err)
 	}
 
 	goose.SetBaseFS(migrations)
 	if err = goose.Up(conn, "schema"); err != nil {
-		return nil, err
+		return nil, fmt.Errorf("migrate: %w", err)
 	}
 
 	return &Database{