diff --git a/templates/extra/Dockerfile.JS.sern b/templates/extra/Dockerfile.JS.sern
index 4ee33dc..2631ee3 100644
--- a/templates/extra/Dockerfile.JS.sern
+++ b/templates/extra/Dockerfile.JS.sern
@@ -8,4 +8,4 @@ RUN npm install
 
 COPY . .
 
-RUN node src/index.js
\ No newline at end of file
+CMD node src/index.js
\ No newline at end of file
diff --git a/templates/extra/Dockerfile.TS.sern b/templates/extra/Dockerfile.TS.sern
index fe30972..ee2654e 100644
--- a/templates/extra/Dockerfile.TS.sern
+++ b/templates/extra/Dockerfile.TS.sern
@@ -6,8 +6,10 @@ COPY package.json ./
 
 RUN npm install
 
+RUN npm install -D typescript
+
 COPY . .
 
-RUN tsc --build
+RUN tsc --build || npx -p typescript tsc --build
 
-RUN node dist/index.js
\ No newline at end of file
+CMD node dist/index.js