diff --git a/package.json b/package.json
index 15a3e140..ef9501a7 100644
--- a/package.json
+++ b/package.json
@@ -4,8 +4,7 @@
     "version": "6.0.0",
     "description": "",
     "scripts": {
-        "start": "ts-node --project server.tsconfig.json src/server.ts",
-        "next-dev": "next dev",
+        "start": "next dev",
         "build": "next build && next export -o dist && npm run sitemap && npm run feed",
         "sitemap": "node scripts/sitemap.js",
         "feed": "node scripts/feed.js",
@@ -20,11 +19,8 @@
     "dependencies": {
         "axios": "^0.19.0",
         "classnames": "^2.2.6",
-        "koa": "^2.11.0",
-        "koa-route": "^3.1.0",
         "lodash": "^4.17.15",
         "moment": "^2.24.0",
-        "mongodb": "^2.1.14",
         "next": "^9.2.2-canary.18",
         "react": "^16.12.0",
         "react-dom": "^16.12.0",
@@ -33,10 +29,7 @@
     },
     "devDependencies": {
         "@types/classnames": "^2.2.9",
-        "@types/koa": "^2.0.52",
-        "@types/koa-route": "^3.2.4",
         "@types/lodash": "^4.14.149",
-        "@types/mongodb": "^3.3.11",
         "@types/node": "^12.12.12",
         "@types/react": "^16.9.12",
         "@zeit/next-css": "^1.0.1",
@@ -50,7 +43,6 @@
         "mocha": "^6.2.2",
         "node-sass": "^4.13.0",
         "should": "^8.2.2",
-        "ts-node": "^8.5.2",
         "typescript": "^3.7.5"
     }
 }
diff --git a/pages/next.jsx b/pages/[...slug].tsx
similarity index 82%
rename from pages/next.jsx
rename to pages/[...slug].tsx
index bb520756..92f15c88 100644
--- a/pages/next.jsx
+++ b/pages/[...slug].tsx
@@ -9,6 +9,12 @@ import { Meta } from '../src/components/Meta'
 import { meta } from '../src/lib/meta'
 import { createApiUrl, requestGet, wrapInitialProps } from '../src/next-lib'
 
+function array<T>(value: T | T[]) {
+    return Array.isArray(value)
+        ? value
+        : [value]
+}
+
 const Index = props => (
     <App
         menu={buildMenu(props.pageUrl, menuModel)}
@@ -30,13 +36,16 @@ const Index = props => (
 )
 
 Index.getInitialProps = wrapInitialProps(async (ctx) => {
-    const pageUrl = ctx.req.url
-    const page = await requestGet(createApiUrl(`/api/page?page=${pageUrl}`), {})
+    const slug = '/' + array(ctx.query.slug).join('/')
+    const page = await requestGet(createApiUrl(`/api/page?page=${slug}`), null)
+    if (!page) {
+        throw new Error(`Not found: ${slug}`)
+    }
     const image = page.preview ? page.preview.artifacts.fb : {}
 
     return {
         content: page.data,
-        pageUrl,
+        pageUrl: slug,
         title: page.title,
         meta: meta({
             title: page.title,
diff --git a/pages/api/albums/[album].js b/pages/api/albums/[album].js
deleted file mode 100644
index 0b0cd571..00000000
--- a/pages/api/albums/[album].js
+++ /dev/null
@@ -1,19 +0,0 @@
-import { connect } from '../../../src/core/db'
-import Album from '../../../src/core/Album'
-import { withMiddleware } from '../../../src/middlewares/withMiddleware'
-
-export default withMiddleware(async (req, res) => {
-    await connect()
-
-    const id = req.query.album
-    const album = await Album.findById(id)
-
-    if (album) {
-        res.json(album)
-    } else {
-        res.status(404)
-        res.json({
-            error: `Album ${id} not found`
-        })
-    }
-})
diff --git a/pages/api/albums/index.js b/pages/api/albums/index.js
deleted file mode 100644
index 70bf386d..00000000
--- a/pages/api/albums/index.js
+++ /dev/null
@@ -1,19 +0,0 @@
-import { connect } from '../../../src/core/db'
-import Album from '../../../src/core/Album'
-import { withMiddleware } from '../../../src/middlewares/withMiddleware'
-
-export default withMiddleware(async (req, res) => {
-    await connect()
-
-    const data = await Album.find({}, { sort: { date: -1 } })
-    if (data) {
-        res.json({
-            items: data,
-        })
-    } else {
-        res.status(404)
-        res.json({
-            error: `Article not found`
-        })
-    }
-})
diff --git a/pages/api/albums/urls.js b/pages/api/albums/urls.js
deleted file mode 100644
index d6a39020..00000000
--- a/pages/api/albums/urls.js
+++ /dev/null
@@ -1,20 +0,0 @@
-import { connect } from '../../../src/core/db'
-import Album from '../../../src/core/Album'
-
-export default async (req, res) => {
-    await connect()
-
-    const data = await Album.find({})
-
-    if (data) {
-        const items = data.map(x => `/album/${x.id}`)
-        res.json({
-            items
-        })
-    } else {
-        res.status(404)
-        res.json({
-            error: `Not found`
-        })
-    }
-}
diff --git a/pages/api/articles/[article].ts b/pages/api/articles/[article].ts
deleted file mode 100644
index c54b0990..00000000
--- a/pages/api/articles/[article].ts
+++ /dev/null
@@ -1,21 +0,0 @@
-import { NextApiRequest, NextApiResponse } from 'next'
-import Article from '../../../src/core/Article'
-import { encodeArticle } from '../../../src/server/articles'
-import { withMiddleware } from '../../../src/middlewares/withMiddleware'
-
-export default withMiddleware(async (req: NextApiRequest, res: NextApiResponse) => {
-    const {
-        query: { article: id }
-    } = req;
-
-    const article = await Article.findById(id)
-
-    if (article) {
-        res.json(encodeArticle(article))
-    } else {
-        res.status(404)
-        res.json({
-            error: `Article ${id} not found`
-        })
-    }
-})
diff --git a/pages/api/articles/index.ts b/pages/api/articles/index.ts
deleted file mode 100644
index 9af32d14..00000000
--- a/pages/api/articles/index.ts
+++ /dev/null
@@ -1,24 +0,0 @@
-import { findArticles } from '../../../src/server/articles'
-import { withMiddleware } from '../../../src/middlewares/withMiddleware'
-
-const int = (value: string | string[]) => parseInt(Array.isArray(value)
-    ? value[0]
-    : value
-)
-
-export default withMiddleware(async (req, res) => {
-    const { query } = req
-    const page = int(query.page)
-    const pageSize = int(query.pageSize)
-
-    const data = await findArticles(page, pageSize)
-
-    if (data) {
-        res.json(data)
-    } else {
-        res.status(404)
-        res.json({
-            error: `Articles not found`
-        })
-    }
-})
diff --git a/pages/api/articles/urls.js b/pages/api/articles/urls.js
deleted file mode 100644
index 8ed535b0..00000000
--- a/pages/api/articles/urls.js
+++ /dev/null
@@ -1,21 +0,0 @@
-import { connect } from '../../../src/core/db'
-import Article from '../../../src/core/Article'
-import { withMiddleware } from '../../../src/middlewares/withMiddleware'
-
-export default withMiddleware(async (req, res) => {
-    await connect()
-
-    const data = await Article.find({})
-
-    if (data) {
-        const items = data.map(x => `/article/${x.id}`)
-        res.json({
-            items
-        })
-    } else {
-        res.status(404)
-        res.json({
-            error: `Not found`
-        })
-    }
-})
diff --git a/pages/api/files/[document].js b/pages/api/files/[document].js
deleted file mode 100644
index 8d8367fb..00000000
--- a/pages/api/files/[document].js
+++ /dev/null
@@ -1,20 +0,0 @@
-import { connect } from '../../../src/core/db'
-import Document from '../../../src/core/Document'
-import { encodeFile } from '../../../src/api/files'
-import { withMiddleware } from '../../../src/middlewares/withMiddleware'
-
-export default withMiddleware(async (req, res) => {
-    await connect()
-
-    const id = req.query.document
-    const document = await Document.findById(id)
-
-    if (document) {
-        res.json(encodeFile(document))
-    } else {
-        res.status(404)
-        res.json({
-            error: `Document ${id} not found`
-        })
-    }
-})
diff --git a/pages/api/files/index.js b/pages/api/files/index.js
deleted file mode 100644
index 2438a703..00000000
--- a/pages/api/files/index.js
+++ /dev/null
@@ -1,24 +0,0 @@
-import { connect } from '../../../src/core/db'
-import Document from '../../../src/core/Document'
-import { encodeFile } from '../../../src/api/files'
-import { withMiddleware } from '../../../src/middlewares/withMiddleware'
-
-export default withMiddleware(async (req, res) => {
-    await connect()
-
-    const documents = await Document.find({hidden: false})
-    if (documents) {
-        const items = documents
-            .map(encodeFile)
-            .filter(x => x.imageUrl) // skip documents without preview image; needs to be refactored
-
-        res.json({
-            items,
-        })
-    } else {
-        res.status(404)
-        res.json({
-            error: `Documents not found`
-        })
-    }
-})
diff --git a/pages/api/files/urls.js b/pages/api/files/urls.js
deleted file mode 100644
index 68aa0c6e..00000000
--- a/pages/api/files/urls.js
+++ /dev/null
@@ -1,21 +0,0 @@
-import { connect } from '../../../src/core/db'
-import Document from '../../../src/core/Document'
-import { withMiddleware } from '../../../src/middlewares/withMiddleware'
-
-export default withMiddleware(async (req, res) => {
-    await connect()
-
-    const data = await Document.find({})
-
-    if (data) {
-        const items = data.map(x => `/document/${x.id}`)
-        res.json({
-            items
-        })
-    } else {
-        res.status(404)
-        res.json({
-            error: `Not found`
-        })
-    }
-})
diff --git a/pages/api/image.js b/pages/api/image.js
deleted file mode 100644
index d6ef8c08..00000000
--- a/pages/api/image.js
+++ /dev/null
@@ -1,17 +0,0 @@
-import Image from '../../src/core/Image'
-import { encodeImage } from '../../src/api/image'
-import { withMiddleware } from '../../src/middlewares/withMiddleware'
-
-export default withMiddleware(async (req, res) => {
-    const file = req.query.file
-    const image = await Image.findByFile(file)
-    
-    if (image) {
-        res.json(encodeImage(image))
-    } else {
-        res.status(404)
-        res.json({
-            error: `Image ${file} not found`
-        })
-    }
-})
diff --git a/pages/api/page.js b/pages/api/page.js
deleted file mode 100644
index b9b5d5b0..00000000
--- a/pages/api/page.js
+++ /dev/null
@@ -1,21 +0,0 @@
-import { connect } from '../../src/core/db'
-import Page from '../../src/core/Page'
-import { getPathWithNoTrailingSlash } from '../../src/lib/url'
-import { encodePage } from '../../src/api/page'
-import { withMiddleware } from '../../src/middlewares/withMiddleware'
-
-export default withMiddleware(async (req, res) => {
-    await connect()
-
-    const page = getPathWithNoTrailingSlash(req.query.page)
-    const resource = await Page.findByUrl(page)
-    
-    if (resource) {
-        res.json(encodePage(resource))
-    } else {
-        res.status(404)
-        res.json({
-            error: `Image ${page} not found`
-        })
-    }
-})
diff --git a/pages/api/pages/index.js b/pages/api/pages/index.js
deleted file mode 100644
index 05950b09..00000000
--- a/pages/api/pages/index.js
+++ /dev/null
@@ -1,17 +0,0 @@
-import Page from '../../../src/core/Page'
-import { withMiddleware } from '../../../src/middlewares/withMiddleware'
-
-export default withMiddleware(async (req, res) => {
-    const items = await Page.find({})
-
-    if (items) {
-        res.json({
-            items,
-        })
-    } else {
-        res.status(404)
-        res.json({
-            error: `Article ${id} not found`
-        })
-    }
-})
diff --git a/pages/api/pages/urls.js b/pages/api/pages/urls.js
deleted file mode 100644
index c26272d0..00000000
--- a/pages/api/pages/urls.js
+++ /dev/null
@@ -1,21 +0,0 @@
-import { connect } from '../../../src/core/db'
-import Page from '../../../src/core/Page'
-import { withMiddleware } from '../../../src/middlewares/withMiddleware'
-
-export default withMiddleware(async (req, res) => {
-    await connect()
-
-    const data = await Page.find({})
-    if (data) {
-        const items = data.map(x => x.url)
-
-        res.json({
-            items,
-        })
-    } else {
-        res.status(404)
-        res.json({
-            error: `Not found`
-        })
-    }
-})
diff --git a/pages/api/persons/[person].js b/pages/api/persons/[person].js
deleted file mode 100644
index d5fb7d4e..00000000
--- a/pages/api/persons/[person].js
+++ /dev/null
@@ -1,20 +0,0 @@
-import { connect } from '../../../src/core/db'
-import Teacher from '../../../src/core/Teacher'
-import { encodePerson } from '../../../src/api/persons'
-import { withMiddleware } from '../../../src/middlewares/withMiddleware'
-
-export default withMiddleware(async (req, res) => {
-    await connect()
-
-    const id = req.query.person
-    const data = await Teacher.findById(id)
-
-    if (data) {
-        res.json(encodePerson(data))
-    } else {
-        res.status(404)
-        res.json({
-            error: `Article ${id} not found`
-        })
-    }
-})
diff --git a/pages/api/persons/index.js b/pages/api/persons/index.js
deleted file mode 100644
index a942e281..00000000
--- a/pages/api/persons/index.js
+++ /dev/null
@@ -1,33 +0,0 @@
-import { connect } from '../../../src/core/db'
-import Teacher from '../../../src/core/Teacher'
-import { prioritySort } from '../../../src/lib/sort'
-import { encodePerson } from '../../../src/api/persons'
-import { withMiddleware } from '../../../src/middlewares/withMiddleware'
-
-export default withMiddleware(async (req, res) => {
-    await connect()
-
-    const order = [
-        'mg-timasheva',
-        'va-sarzhin',
-        'od-gogoleva',
-        'my-valkova',
-        'nv-andreeva',
-        'vv-voronova',
-    ]
-    const teachersSorted = prioritySort.bind(null, [...order], t => t.id)
-
-    const teachers = await Teacher.find({ hidden: false })
-    const data = teachersSorted(teachers).map(encodePerson)
-
-    if (data) {
-        res.json({
-            items: data,
-        })
-    } else {
-        res.status(404)
-        res.json({
-            error: `Article ${id} not found`
-        })
-    }
-})
diff --git a/pages/api/persons/urls.js b/pages/api/persons/urls.js
deleted file mode 100644
index d08abdbc..00000000
--- a/pages/api/persons/urls.js
+++ /dev/null
@@ -1,21 +0,0 @@
-import { connect } from '../../../src/core/db'
-import Teacher from '../../../src/core/Teacher'
-import { withMiddleware } from '../../../src/middlewares/withMiddleware'
-
-export default withMiddleware(async (req, res) => {
-    await connect()
-
-    const data = await Teacher.find({})
-
-    if (data) {
-        const items = data.map(x => `/teacher/${x.id}`)
-        res.json({
-            items
-        })
-    } else {
-        res.status(404)
-        res.json({
-            error: `Not found`
-        })
-    }
-})
diff --git a/pages/api/schedule.js b/pages/api/schedule.js
deleted file mode 100644
index 170648ad..00000000
--- a/pages/api/schedule.js
+++ /dev/null
@@ -1,18 +0,0 @@
-import { findSchedule } from '../../src/server/schedule'
-import { withMiddleware } from '../../src/middlewares/withMiddleware'
-
-export default withMiddleware(async (req, res) => {
-
-    const period = req.query.period
-    const semester = req.query.semester
-    const data = await findSchedule(req.collection, period, semester)
-
-    if (data) {
-        res.json(data)
-    } else {
-        res.status(404)
-        res.json({
-            error: `Schedule ${period}:${semester} not found`
-        })
-    }
-})
diff --git a/server.tsconfig.json b/server.tsconfig.json
deleted file mode 100644
index 22bafc4f..00000000
--- a/server.tsconfig.json
+++ /dev/null
@@ -1,14 +0,0 @@
-{
-    "compilerOptions": {
-        "noEmitOnError": false,
-        "target": "es5", 
-        "module": "commonjs", 
-        "jsx": "preserve", 
-        "outDir": "./build", 
-        "strict": false, 
-        "esModuleInterop": true 
-    },
-    "include": [
-        "src/**/*.ts"
-    ]
-}
\ No newline at end of file
diff --git a/src/server.ts b/src/server.ts
deleted file mode 100644
index f6f2fbc9..00000000
--- a/src/server.ts
+++ /dev/null
@@ -1,45 +0,0 @@
-import Koa from 'koa'
-import next from 'next'
-import { get } from 'koa-route'
-import { connect } from './core/db'
-import Page from './core/Page'
-
-const dev = process.env.NODE_ENV !== 'production'
-const app = next({ dev })
-const handle = app.getRequestHandler()
-const port = parseInt(process.env.PORT, 10) || 3000
-
-app.prepare().then(async () => {
-    try {
-        await connect()
-    } catch (e) {
-        console.error(e.message)
-
-        process.exit(1)
-    }
-
-    const pages = await Page.find({})
-    const pagesUrls = pages.map(x => x.url)
-
-    const server = new Koa()
-    server.use(async (ctx, next) => {
-        ctx.res.statusCode = 200
-        await next()
-    })
-
-    server.use(get('*', async ctx => {
-        const url = ctx.req.url
-
-        if (pagesUrls.includes(url)) {
-            await app.render(ctx.req, ctx.res, '/next', ctx.query)
-        } else {
-            await handle(ctx.req, ctx.res)
-        }
-
-        ctx.respond = false
-    }))
-
-    server.listen(port, () => {
-        console.log(`> Ready on http://localhost:${port}`)
-    })
-})