initial commit

internal/database/migrations/0003_password_auth.sql

@@ -0,0 +1,23 @@
+-- +goose Up
+ALTER TABLE users
+    ADD COLUMN password_hash text,
+    ADD COLUMN password_changed_at timestamptz;
+
+CREATE TABLE user_login_events (
+    id bigserial PRIMARY KEY,
+    user_id uuid REFERENCES users(id) ON DELETE SET NULL,
+    email text NOT NULL,
+    remote_address text NOT NULL,
+    successful boolean NOT NULL,
+    reason text NOT NULL,
+    occurred_at timestamptz NOT NULL DEFAULT now()
+);
+
+CREATE INDEX user_login_events_occurred_idx ON user_login_events(occurred_at DESC);
+CREATE INDEX user_login_events_email_idx ON user_login_events(lower(email), occurred_at DESC);
+
+-- +goose Down
+DROP TABLE IF EXISTS user_login_events;
+ALTER TABLE users
+    DROP COLUMN IF EXISTS password_changed_at,
+    DROP COLUMN IF EXISTS password_hash;