76 lines
2.8 KiB
JavaScript
76 lines
2.8 KiB
JavaScript
/**
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* Applies database migrations on container start.
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*
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* Databases created before migrations were used (via `prisma db push`) have no
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* `_prisma_migrations` table. Those are brought up to date with a non-destructive
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* `db push` (which refuses to drop data) and then baselined, so every later deploy
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* can use plain `prisma migrate deploy`.
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*/
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const { execSync } = require('child_process');
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const fs = require('fs');
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const path = require('path');
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const { PrismaClient } = require('@prisma/client');
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// Migrations that were first created with dates in the future, renamed to when they were written.
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// The SQL is unchanged, so databases that already applied them only need the recorded name updated.
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const RENAMED_MIGRATIONS = {
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'20261020120000_tab_events': '20261019212336_tab_events',
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'20261021120000_stock': '20261020124522_stock',
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'20261022120000_server_tabs_and_stock': '20261020141836_server_tabs_and_stock',
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'20261023120000_products_on_dashboard': '20261020215540_products_on_dashboard',
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'20261024120000_product_images_and_events': '20261021104519_product_images_and_events',
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'20261025120000_sold_unit_view': '20261021225808_sold_unit_view',
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'20261026120000_drop_tab_snapshots': '20261021233219_drop_tab_snapshots',
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};
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function run(command) {
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console.log(`[deploy] ${command}`);
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execSync(command, { stdio: 'inherit' });
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}
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async function main() {
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const prisma = new PrismaClient();
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let hasMigrationsTable;
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let hasTables;
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try {
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const [{ migrations, tables }] = await prisma.$queryRaw`
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SELECT
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to_regclass('public._prisma_migrations') IS NOT NULL AS migrations,
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EXISTS (SELECT 1 FROM information_schema.tables WHERE table_schema = 'public') AS tables`;
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hasMigrationsTable = migrations;
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hasTables = tables;
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if (hasMigrationsTable) {
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for (const [oldName, newName] of Object.entries(RENAMED_MIGRATIONS)) {
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const renamed = await prisma.$executeRaw`
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UPDATE "_prisma_migrations" SET "migration_name" = ${newName} WHERE "migration_name" = ${oldName}`;
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if (renamed > 0) console.log(`[deploy] Renamed migration ${oldName} -> ${newName}`);
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}
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}
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} finally {
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await prisma.$disconnect();
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}
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if (!hasMigrationsTable && hasTables) {
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console.log('[deploy] Existing database without migration history, baselining');
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run('npx prisma db push --skip-generate');
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const migrationsDir = path.join(__dirname, 'migrations');
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const migrations = fs
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.readdirSync(migrationsDir, { withFileTypes: true })
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.filter((entry) => entry.isDirectory())
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.map((entry) => entry.name)
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.sort();
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for (const name of migrations) {
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run(`npx prisma migrate resolve --applied ${name}`);
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}
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}
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run('npx prisma migrate deploy');
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}
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main().catch((error) => {
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console.error('[deploy] Migration failed:', error);
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process.exit(1);
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});
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