Adjust casing in Containerfile

Author: white-gecko

Containerfile

@@ -1,4 +1,4 @@
-FROM python:3.13-alpine as builder
+FROM python:3.13-alpine AS builder
 
 RUN pip install poetry
 
@@ -15,7 +15,7 @@ RUN touch README.md
 RUN poetry install --without dev --no-root && rm -rf $POETRY_CACHE_DIR
 
 # The runtime image, used to just run the code provided its virtual environment
-FROM python:3.13-alpine as runtime
+FROM python:3.13-alpine AS runtime
 
 ENV VIRTUAL_ENV=/app/.venv \
     PATH="/app/.venv/bin:$PATH" \