chore: switch to taskflow
diff --git a/Dockerfile b/Dockerfile
index 8675f7e..1bfbd23 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -6,6 +6,10 @@
 EOF
 
 FROM poetry AS builder
+RUN <<EOF
+  apt-get update
+  apt-get install -y gcc
+EOF
 ADD . /app
 WORKDIR /app
 ENV POETRY_VIRTUALENVS_IN_PROJECT=true