fix(Dockerfile): update Python version in base image

Dockerfile

@@ -1,31 +1,31 @@
-FROM python:3.12.3-slim as base
-
-ENV PYTHONDONTWRITEBYTECODE=1
-
-ENV PYTHONUNBUFFERED=1
-
-WORKDIR /app
-
-ARG UID=10001
-RUN adduser \
-    --disabled-password \
-    --gecos "" \
-    --home "/nonexistent" \
-    --shell "/sbin/nologin" \
-    --no-create-home \
-    --uid "${UID}" \
-    appuser
-
-RUN apt-get update && apt-get install -y git
-
-RUN --mount=type=cache,target=/root/.cache/pip \
-    --mount=type=bind,source=requirements.txt,target=requirements.txt \
-    python -m pip install -r requirements.txt
-
-COPY . .
-
-RUN chown -R appuser:appuser /app
-
-USER appuser
-
-CMD python main.py
+FROM python:3.10.9-slim as base
+
+ENV PYTHONDONTWRITEBYTECODE=1
+
+ENV PYTHONUNBUFFERED=1
+
+WORKDIR /app
+
+ARG UID=10001
+RUN adduser \
+    --disabled-password \
+    --gecos "" \
+    --home "/nonexistent" \
+    --shell "/sbin/nologin" \
+    --no-create-home \
+    --uid "${UID}" \
+    appuser
+
+RUN apt-get update && apt-get install -y git
+
+RUN --mount=type=cache,target=/root/.cache/pip \
+    --mount=type=bind,source=requirements.txt,target=requirements.txt \
+    python -m pip install -r requirements.txt
+
+COPY . .
+
+RUN chown -R appuser:appuser /app
+
+USER appuser
+
+CMD python main.py