recipe_app/backend/migrations/20250708205938_create_ingredients_table.js

/**
 * @param { import("knex").Knex } knex
 * @returns { Promise<void> }
 */
exports.up = function (knex) {
  return knex.schema.createTable('ingredients', function (table) {
    table.increments('id').primary();
    table.string('name').notNullable().unique();
    table.string('type');
    table.string('notes');
    table.timestamps(true, true);
  }).
    createTable('recipe_ingredients', function (table) {
      table.increments('id').primary();
      table.integer('recipe_id').notNullable();
      table.integer('ingredient_id').notNullable();
      table.string('quantity').notNullable();
      table.string('unit').notNullable();
      table.string('notes');
      table.index(['recipe_id']);
      table.index(['ingredient_id']);
      table.timestamps(true, true);
    }).
    createTable('recipe_steps', function (table) {
      table.increments('id').primary();
      table.integer('recipe_id');
      table.integer('step_number');
      table.string('instruction');
      table.unique(['recipe_id', 'step_number']);
      table.index(['recipe_id'])
      table.timestamps(true, true);
    })
};

/**
 * @param { import("knex").Knex } knex
 * @returns { Promise<void> }
 */
exports.down = function (knex) {
  return knex.schema.dropTableIfExists('ingredients')
    .dropTableIfExists('recipe_ingredients')
    .dropTableIfExists('recipe_steps')
};