Refactor: Centralize App Startup and Config Loading (#33)

Reviewed-on: #33

internal/db/sqlc/repository/query.sql.go

@@ -0,0 +1,24 @@
+// Code generated by sqlc. DO NOT EDIT.
+// versions:
+//   sqlc v1.27.0
+// source: query.sql
+
+package repository
+
+import (
+	"context"
+)
+
+const getVerifiedEmailBySSHIdentifier = `-- name: GetVerifiedEmailBySSHIdentifier :one
+SELECT email
+FROM public."user"
+WHERE ssh_identifier = $1
+  AND email_verified = true
+`
+
+func (q *Queries) GetVerifiedEmailBySSHIdentifier(ctx context.Context, sshIdentifier string) (string, error) {
+	row := q.db.QueryRow(ctx, getVerifiedEmailBySSHIdentifier, sshIdentifier)
+	var email string
+	err := row.Scan(&email)
+	return email, err
+}