Add initial version of dijkstra backend cloudron image

data/seeds/01-countries.js

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+
+exports.seed = function(knex) {
+	return knex('countries').truncate()
+		.then(function () {
+			return knex('countries').insert([
+				{
+					id: 1,
+					name: 'Belgium',
+				}
+			]);
+	});
+};

data/seeds/02-cities.js

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+exports.seed = function (knex) {
+	return knex('cities')
+		.truncate()
+		.then(function () {
+			return knex('cities').insert([
+				{
+					id: 1,
+					name: 'bruges',
+					country_id: 1,
+				},
+				{
+					id: 2,
+					name: 'antwerp',
+					country_id: 1,
+				},
+				{
+					id: 3,
+					name: 'ghent',
+					country_id: 1,
+				},
+				{
+					id: 4,
+					name: 'mechelen',
+					country_id: 1,
+				},
+				{
+					id: 5,
+					name: 'brussels',
+					country_id: 1,
+				},
+				{
+					id: 6,
+					name: 'mons',
+					country_id: 1,
+				},
+				{
+					id: 7,
+					name: 'namur',
+					country_id: 1,
+				},
+				{
+					id: 8,
+					name: 'liege',
+					country_id: 1,
+				},
+				{
+					id: 9,
+					name: 'arlon',
+					country_id: 1,
+				},
+				{
+					id: 10,
+					name: 'tournai',
+					country_id: 1,
+				},
+			]);
+		});
+};

data/seeds/03-roads.js

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+exports.seed = function (knex) {
+	return knex('roads')
+		.truncate()
+		.then(function () {
+			return knex('roads').insert([
+				{
+					id: 1,
+					start_city_id: 1,
+					end_city_id: 3,
+					distance: 40,
+				},
+				{
+					id: 2,
+					start_city_id: 3,
+					end_city_id: 10,
+					distance: 60,
+				},
+				{
+					id: 3,
+					start_city_id: 10,
+					end_city_id: 5,
+					distance: 70,
+				},
+				{
+					id: 4,
+					start_city_id: 3,
+					end_city_id: 5,
+					distance: 50,
+				},
+				{
+					id: 5,
+					start_city_id: 3,
+					end_city_id: 2,
+					distance: 50,
+				},
+				{
+					id: 6,
+					start_city_id: 2,
+					end_city_id: 4,
+					distance: 20,
+				},
+				{
+					id: 7,
+					start_city_id: 4,
+					end_city_id: 5,
+					distance: 20,
+				},
+				{
+					id: 8,
+					start_city_id: 5,
+					end_city_id: 6,
+					distance: 50,
+				},
+				{
+					id: 9,
+					start_city_id: 6,
+					end_city_id: 7,
+					distance: 60,
+				},
+				{
+					id: 10,
+					start_city_id: 6,
+					end_city_id: 10,
+					distance: 40,
+				},
+				{
+					id: 11,
+					start_city_id: 7,
+					end_city_id: 9,
+					distance: 110,
+				},
+				{
+					id: 12,
+					start_city_id: 9,
+					end_city_id: 7,
+					distance: 110,
+				},
+				{
+					id: 13,
+					start_city_id: 8,
+					end_city_id: 7,
+					distance: 50,
+				},
+				{
+					id: 14,
+					start_city_id: 8,
+					end_city_id: 5,
+					distance: 90,
+				},
+			]);
+		});
+};