diff --git a/.gitea/workflows/deploy-backend.yml b/.gitea/workflows/deploy-backend.yml
index 7ba5fef..e1f879f 100644
--- a/.gitea/workflows/deploy-backend.yml
+++ b/.gitea/workflows/deploy-backend.yml
@@ -35,6 +35,7 @@ jobs:
           docker run -d \
             --name tmc-backend \
             --network traefik \
+            -e PATH_PREFIX=/test-1 \
             --label "traefik.enable=true" \
             --label "traefik.http.routers.tmc-backend.rule=Host(\`api.koptilnya.xyz\`) && PathPrefix(\`/test-1\`)" \
             --label "traefik.http.routers.tmc-backend.entrypoints=websecure" \
diff --git a/backend/src/index.ts b/backend/src/index.ts
index f61c037..7dc7f37 100644
--- a/backend/src/index.ts
+++ b/backend/src/index.ts
@@ -4,17 +4,18 @@ import { itemsRouter } from './routes/items.js'
 import { setupSwagger } from './swagger.js'
 
 const app = express()
+const prefix = process.env.PATH_PREFIX ?? ''
 
 app.use(cors({ origin: 'http://localhost:3000' }))
 app.use(express.json())
 
-setupSwagger(app)
-app.use('/api/items', itemsRouter)
+setupSwagger(app, prefix)
+app.use(`${prefix}/api/items`, itemsRouter)
 
 const PORT = 1337
 app.listen(PORT, () => {
   // eslint-disable-next-line no-console
   console.log(`Server running on http://localhost:${PORT}`)
   // eslint-disable-next-line no-console
-  console.log(`Swagger UI: http://localhost:${PORT}/docs`)
+  console.log(`Swagger UI: http://localhost:${PORT}${prefix}/docs`)
 })
diff --git a/backend/src/swagger.ts b/backend/src/swagger.ts
index 8d1162d..eb0424e 100644
--- a/backend/src/swagger.ts
+++ b/backend/src/swagger.ts
@@ -17,7 +17,7 @@ const options: swaggerJsdoc.Options = {
 
 const spec = swaggerJsdoc(options)
 
-export function setupSwagger(app: Express): void {
-  app.get('/docs/json', (_req, res) => res.json(spec))
-  app.use('/docs', swaggerUi.serve, swaggerUi.setup(spec))
+export function setupSwagger(app: Express, prefix = ''): void {
+  app.get(`${prefix}/docs/json`, (_req, res) => res.json(spec))
+  app.use(`${prefix}/docs`, swaggerUi.serve, swaggerUi.setup(spec))
 }