diff --git a/Containerfile b/Containerfile
index 5492216..6472fa4 100644
--- a/Containerfile
+++ b/Containerfile
@@ -1,14 +1,10 @@
 # Build: podman build -t code.philo.ydns.eu/philorg/tinyseady-mailer -f Containerfile
 
-FROM docker.io/python:3.13-alpine
-RUN apk add --no-cache git 
+FROM docker.io/python:3.12-alpine
 COPY --from=ghcr.io/astral-sh/uv:latest /uv /usr/local/bin/
 
-COPY . /app
-
-# Sync the project into a new environment, using the frozen lockfile
-WORKDIR /app
-
-RUN uv pip install --system .
+COPY . /src
+WORKDIR /src
+RUN uv sync --frozen --no-cache && uv pip install --system .
 
 CMD tinysteady-mailer