file.js

app.get('/conflictMatrix', (req, res) => {
	var token = Promise.try(() => {
		return tokenPromise()
	})
	var courses = knex('offered_courses').select('*').where('NumSections','<',3).andWhere('Offered', 1).map((row) => {
		row.conflicts = {};
		return row
	}).then(rows => rows);

	Promise.all([courses, token]).then((values) => {
		var newCourseList = courses.reduce((newArray, course) => {
			var url = process.env.url;
			fetch(url, {headers:
				{'Cookie':'t='+token.Token}
			}).then(results => results.json()).then((conflicts) => {
				return course.conflicts = conflicts
			})
			return newArray
		}, [])
		console.log(newCourseList)
		res.json(newCourseList)
	})
})