diff --git a/Dockerfile b/Dockerfile
index d3a2f46..1391cf4 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,9 +1,10 @@
-FROM node:8-alpine
+FROM node:19-alpine
 
 WORKDIR /opt/app
 COPY . /opt/app
 
 RUN npm i
-RUN npm i -g forever
+RUN npm i -g ts-node
 
+EXPOSE 3000/tcp
 ENTRYPOINT sh /opt/app/app.sh
diff --git a/app.sh b/app.sh
index d382a62..0efdd8e 100755
--- a/app.sh
+++ b/app.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
 set -ex
 
-forever src/index.js
+ts-node src/index.ts