diff --git a/infra b/infra
index d9faa10..9cc56f3 160000
--- a/infra
+++ b/infra
@@ -1 +1 @@
-Subproject commit d9faa1043fbd3f34e6553f42c68c6368de369e32
+Subproject commit 9cc56f398d5e12c45c75e05176cbc0d58dcede88
diff --git a/src/dockerfile b/src/dockerfile
index 62c5399..e9ef308 100644
--- a/src/dockerfile
+++ b/src/dockerfile
@@ -1,4 +1,4 @@
-from python:3.7
+from python:3.7-alpine
 
 copy . /app
 workdir /app
@@ -7,4 +7,4 @@ run pip install -r requirements.txt
 expose 80
 entrypoint [ "python" ]
 
-cmd [ "app.py" ]
\ No newline at end of file
+cmd [ "app.py" ]