feat: add basic blog features

db/index.js

@@ -0,0 +1,15 @@
+import { Pool } from 'pg';
+
+const db = new Pool({
+  host: process.env.DB_HOST,
+  user: process.env.DB_USER,
+  password: process.env.DB_PASSWORD,
+  port: process.env.PORT,
+  database: process.env.DB_DATABASE,
+  max: 20,
+  idleTimeoutMillis: 30_000,
+  connectionTimeoutMillis: 2_000,
+  maxLifetimeSeconds: 60
+});
+
+export default db;

db/migrate.js

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+import fs from "node:fs";
+import { readdir } from "node:fs/promises";
+import path from "node:path";
+import dbClient from "./index.js";
+
+const __dirname = import.meta.dirname;
+
+const createMigrationTable = () => {
+  return dbClient.query(`
+      CREATE TABLE IF NOT EXISTS migrations (
+        id VARCHAR(255) PRIMARY KEY,
+        name VARCHAR(255),
+        executed_at TIMESTAMP
+      )
+    `);
+}
+
+const getMigrationsFiles = () => {
+  try {
+    return readdir(path.resolve(__dirname, "./migrations"));
+  } catch(err) {
+    return new Error("[Migration] getMigrations err: ", err);
+  }
+};
+
+const runMigrations = async () => {
+  try {
+    // Create migration table if needed
+    await createMigrationTable();
+
+    const migrationFiles = await getMigrationsFiles();
+    const migrationsDb = await dbClient.query("SELECT name FROM migrations WHERE executed_at IS NOT NULL");
+    const migrationsToRun = migrationFiles.filter(m => !migrationsDb.rows.map(m => m.name).includes(m));
+
+    console.log("[Migration] migrations to run: ", migrationsToRun);
+
+    for (const migration of migrationsToRun) {
+      await dbClient.query("BEGIN");
+      const sqlQuery = fs.readFileSync(path.resolve(__dirname, `./migrations/${migration}`), "utf-8");
+      try {
+        await dbClient.query(sqlQuery);
+
+        await dbClient.query({
+          text: "INSERT INTO migrations(id, name, executed_at) VALUES($1, $2, $3)",
+          values: [migration.slice(0, -4), migration, new Date().toISOString().slice(0, 19).replace('T', ' ')]
+        });
+
+        await dbClient.query("COMMIT");
+      } catch(err) {
+        console.log(err);
+        await dbClient.query("ROLLBACK");
+      }
+    }
+
+    console.log("[Migration]: SUCCESS");
+  } catch (err) {
+    console.error("Error", err);
+    process.exit(1);
+  }
+};
+
+// Run this from CLI
+if (import.meta.main) {
+  console.log("Run migrations");
+  runMigrations()
+    .then(() => process.exit(0))
+    .catch(() => process.exit(1));
+}

db/migrations/2026-02-22_18:00_create_blog_tables.sql

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+CREATE XTENSION IF NOT EXISTS "uuid-ossp";
+
+CREATE TABLE posts (
+  id UUID PRIMARY KEY DEFAULT uuid_generate_v4(),
+  title VARCHAR(255) NULL UNIQUE,
+  content TEXT,
+  created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+  updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
+);

db/migrations/2026-03-04_15:23_create_user_tables.sql

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+CREATE TABLE users (
+  id TEXT PRIMARY KEY NOT NULL UNIQUE,
+  username VARCHAR(255)
+);
+
+CREATE TABLE passkeys (
+  id TEXT PRIMARY KEY NOT NULL UNIQUE,
+  public_key BYTEA,
+  webauthn_user__id TEXT UNIQUE,
+  counter BIGINT,
+  device_type VARCHAR(32),
+  transports VARCHAR(255)
+);
+
+-- User/passkey junction table
+CREATE TABLE user_passkeys (
+  id UUID PRIMARY KEY DEFAULT uuid_generate_v4(),
+  user_id TEXT NOT NULL,
+  passkey_id TEXT NOT NULL,
+
+  -- Foreign key constraints
+  CONSTRAINT fk_user_passkeys_user FOREIGN KEY (user_id) REFERENCES users(id) ON DELETE CASCADE,
+  CONSTRAINT fk_user_passkeys_passkeys FOREIGN KEY (passkey_id) REFERENCES passkeys(id) ON DELETE CASCADE,
+
+  -- Prevent duplicates
+  CONSTRAINT unique_user_passkeys UNIQUE (user_id, passkey_id)
+);
+
+CREATE INDEX index_passkeys ON passkeys (id, webauthn_user__id);