diff --git a/.gitignore b/.gitignore
index cd12225..59113ff 100644
--- a/.gitignore
+++ b/.gitignore
@@ -7,4 +7,5 @@ anchor.db
 dist
 emails/*.html
 mailship.db
+test-mailship.db
 dist/
diff --git a/package.json b/package.json
index 9034745..9b9d5ea 100644
--- a/package.json
+++ b/package.json
@@ -9,7 +9,9 @@
     "check": "tsc --noEmit && eslint src",
     "format": "prettier --write \"src/**/*.{ts,js,json,html}\"",
     "start": "node dist/index.js",
-    "run-alert": "node dist/run.js"
+    "run-alert": "node dist/run.js",
+    "test": "bash test/integration.sh",
+    "test:server": "bash test/integration.sh --server-only"
   },
   "devDependencies": {
     "@eslint/js": "^9.35.0",
diff --git a/src/database.ts b/src/database.ts
index f068ee5..b50fe56 100644
--- a/src/database.ts
+++ b/src/database.ts
@@ -6,7 +6,8 @@ import { instrument } from 'succinct-async'
 import { now } from '@welshman/lib'
 import type { Subscription } from './alert.js'
 
-const db = new sqlite3.Database('mailship.db')
+const DATA_DIR = process.env.DATA_DIR || '.'
+const db = new sqlite3.Database(DATA_DIR + '/mailship.db')
 
 type Param = number | string | boolean
 
diff --git a/src/server.ts b/src/server.ts
index 335ff3a..c4efb0d 100644
--- a/src/server.ts
+++ b/src/server.ts
@@ -52,7 +52,22 @@ const addRoute = (method: 'get' | 'post' | 'delete', path: string, handler: Hand
 }
 
 addRoute('get', '/', async (req: Request, res: Response) => {
-  res.send(await render('../web/dist/index.html'))
+  try {
+    const {existsSync} = await import('fs')
+    const webIndex = new URL('../web/dist/index.html', import.meta.url)
+    if (existsSync(webIndex)) {
+      return res.send(await render('../web/dist/index.html'))
+    }
+  } catch {
+    // Fall through to JSON
+  }
+
+  res.json({
+    name: 'Mailship',
+    description: 'Email notification server for Nostr',
+    pubkey: await appSigner.getPubkey(),
+    software: 'https://gitea.coracle.social/mplorentz/mailship',
+  })
 })
 
 // Subscribe to email digests
diff --git a/test/integration.sh b/test/integration.sh
new file mode 100755
index 0000000..88dcc3a
--- /dev/null
+++ b/test/integration.sh
@@ -0,0 +1,223 @@
+#!/usr/bin/env bash
+# Integration test for Mailship
+#
+# Starts the server, runs through the full E2E flow, cleans up.
+# Exits 0 on success, 1 on failure.
+#
+# Usage: ./test/integration.sh [--server-only]
+#   --server-only: just start the server (for manual testing)
+
+set -euo pipefail
+
+SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd)"
+PROJECT_DIR="$(cd "$SCRIPT_DIR/.." && pwd)"
+PORT="${PORT:-4741}"
+BASE_URL="http://localhost:$PORT"
+PASS=0
+FAIL=0
+
+GREEN='\033[0;32m'
+RED='\033[0;31m'
+NC='\033[0m'
+
+cleanup() {
+  echo ""
+  echo "=== Cleaning up ==="
+  kill "$SERVER_PID" 2>/dev/null || true
+  wait "$SERVER_PID" 2>/dev/null || true
+  rm -rf "$PROJECT_DIR/test-data"
+  echo "Done."
+}
+
+trap cleanup EXIT
+
+# Ensure we have a fresh build
+cd "$PROJECT_DIR"
+if [ ! -d "dist" ]; then
+  echo "Building project..."
+  npx tsc
+fi
+
+# Generate a random secret for the test
+SECRET="$(openssl rand -hex 32)"
+
+# Export env vars for the server
+export MAILSHIP_SECRET="$SECRET"
+export MAILSHIP_NAME="Mailship Test"
+export MAILSHIP_URL="$BASE_URL"
+export BASE_URL="$BASE_URL"
+export POSTMARK_API_KEY="test"
+export POSTMARK_SENDER_ADDRESS="test@test.com"
+export DEFAULT_RELAYS="wss://relay.damus.io"
+export INDEXER_RELAYS="wss://purplepag.es"
+export SEARCH_RELAYS="wss://relay.nostr.band"
+export PORT="$PORT"
+export DATA_DIR="$PROJECT_DIR/test-data"
+
+mkdir -p "$DATA_DIR"
+DB_PATH="$DATA_DIR/mailship.db"
+
+echo "=== Starting server on port $PORT ==="
+node dist/index.js &
+SERVER_PID=$!
+sleep 3
+
+if ! kill -0 "$SERVER_PID" 2>/dev/null; then
+  echo -e "${RED}Server failed to start${NC}"
+  exit 1
+fi
+
+echo "Server PID: $SERVER_PID"
+
+if [ "${1:-}" = "--server-only" ]; then
+  echo ""
+  echo "Server running at $BASE_URL"
+  echo "DB at $DB_PATH"
+  echo "Press Ctrl+C to stop."
+  wait "$SERVER_PID"
+  exit 0
+fi
+
+echo ""
+echo "========================================="
+echo "  INTEGRATION TESTS"
+echo "========================================="
+echo ""
+
+pass() {
+  PASS=$((PASS + 1))
+  echo -e "  ${GREEN}✓${NC} $1"
+}
+
+fail() {
+  FAIL=$((FAIL + 1))
+  echo -e "  ${RED}✗${NC} $1"
+}
+
+# Helper: check that a JSON field equals expected value
+check_field() {
+  local label="$1"
+  local json="$2"
+  local field="$3"
+  local expected="$4"
+  local actual
+  actual=$(echo "$json" | python3 -c "import sys,json; print(json.load(sys.stdin).get('$field',''))" 2>/dev/null)
+  if [ "$actual" = "$expected" ]; then
+    pass "$label"
+  else
+    fail "$label (expected $field=$expected, got $actual)"
+  fi
+}
+
+# Test 1: Health check
+echo "1. Health check"
+HEALTH=$(curl -s "$BASE_URL/")
+check_field "Root endpoint returns Mailship" "$HEALTH" "name" "Mailship"
+
+# Test 2: Register subscription
+echo ""
+echo "2. Register subscription"
+REG=$(curl -s "$BASE_URL/subscription/email" -X POST -H "Content-Type: application/json" \
+  -d '{"email":"test@example.com","frequency":"daily","pubkey":"abc123"}')
+
+KEY=$(echo "$REG" | python3 -c "import sys,json; print(json.load(sys.stdin).get('key',''))" 2>/dev/null)
+CALLBACK=$(echo "$REG" | python3 -c "import sys,json; print(json.load(sys.stdin).get('callback',''))" 2>/dev/null)
+
+if [ -n "$KEY" ] && [ -n "$CALLBACK" ]; then
+  pass "Registration returns key and callback"
+else
+  fail "Registration missing key or callback (got: $REG)"
+fi
+
+# Test 3: Confirm subscription
+echo ""
+echo "3. Confirm subscription"
+CONFIRM=$(curl -s "$BASE_URL/confirm?token=$KEY" 2>&1)
+if echo "$CONFIRM" | grep -qi "success"; then
+  pass "Confirmation page shows success"
+else
+  fail "Confirmation page doesn't show success"
+fi
+
+# Test 4: Check SQLite state
+echo ""
+echo "4. Database state"
+CONFIRMED=$(sqlite3 "$DB_PATH" "SELECT confirmed_at FROM subscriptions WHERE email='test@example.com';" 2>/dev/null)
+if [ -n "$CONFIRMED" ] && [ "$CONFIRMED" -gt 0 ]; then
+  pass "Subscription confirmed in DB"
+else
+  fail "Subscription not confirmed in DB"
+fi
+
+# Test 5: Push event to notify endpoint
+echo ""
+echo "5. Push event via notify"
+SUB_ID=$(sqlite3 "$DB_PATH" "SELECT id FROM subscriptions WHERE email='test@example.com';" 2>/dev/null)
+
+# Fetch a real event from a relay
+EVENT_ID=$(nak req -k 1 -l 1 wss://relay.primal.net 2>/dev/null | head -1 | python3 -c "import sys,json; d=json.load(sys.stdin); print(d['id'])" 2>/dev/null)
+
+if [ -z "$EVENT_ID" ]; then
+  # Try another relay
+  EVENT_ID=$(nak req -k 1 -l 1 wss://nos.lol 2>/dev/null | head -1 | python3 -c "import sys,json; d=json.load(sys.stdin); print(d['id'])" 2>/dev/null)
+fi
+
+if [ -z "$EVENT_ID" ]; then
+  fail "Could not fetch event from relay (network issue?)"
+else
+  NOTIFY=$(curl -s "$BASE_URL/notify/$SUB_ID" -X POST -H "Content-Type: application/json" \
+    -d "{\"id\":\"$EVENT_ID\",\"relay\":\"wss://relay.primal.net\"}")
+  check_field "Event stored in DB" "$NOTIFY" "stored" "True"
+fi
+
+# Test 6: Dedup
+echo ""
+echo "6. Dedup"
+if [ -n "$EVENT_ID" ]; then
+  DEDUP=$(curl -s "$BASE_URL/notify/$SUB_ID" -X POST -H "Content-Type: application/json" \
+    -d "{\"id\":\"$EVENT_ID\",\"relay\":\"wss://relay.primal.net\"}")
+  check_field "Duplicate event rejected" "$DEDUP" "stored" "False"
+fi
+
+# Test 7: 404 for nonexistent subscription
+echo ""
+echo "7. 404 for nonexistent subscription"
+NOT_FOUND=$(curl -s "$BASE_URL/notify/nonexistent-id" -X POST -H "Content-Type: application/json" \
+  -d '{"id":"abc","relay":"wss://relay.primal.net"}')
+check_field "Nonexistent subscription returns 404" "$NOT_FOUND" "error" "Subscription not found"
+
+# Test 8: Unsubscribe
+echo ""
+echo "8. Unsubscribe"
+UNSUB=$(curl -s "$BASE_URL/unsubscribe?token=$KEY")
+if echo "$UNSUB" | grep -qi "unsubscribed\|success"; then
+  pass "Unsubscribe page renders"
+else
+  fail "Unsubscribe page didn't render"
+fi
+
+# Test 9: Notify after unsubscribe returns 404
+echo ""
+echo "9. No push after unsubscribe"
+if [ -n "$EVENT_ID" ]; then
+  AFTER_UNSUB=$(curl -s "$BASE_URL/notify/$SUB_ID" -X POST -H "Content-Type: application/json" \
+    -d "{\"id\":\"$EVENT_ID\",\"relay\":\"wss://relay.primal.net\"}")
+  check_field "Push after unsubscribe returns 404" "$AFTER_UNSUB" "error" "Subscription not active"
+fi
+
+# Test 10: Delete subscription
+echo ""
+echo "10. Delete subscription"
+DELETE=$(curl -s "$BASE_URL/subscription/$KEY" -X DELETE 2>&1)
+check_field "Delete returns ok" "$DELETE" "ok" "True"
+
+# Summary
+echo ""
+echo "========================================="
+echo "  RESULTS: $PASS passed, $FAIL failed"
+echo "========================================="
+
+if [ "$FAIL" -gt 0 ]; then
+  exit 1
+fi
+exit 0
\ No newline at end of file