Update Dockerfile

Dockerfile

@@ -1,8 +1,13 @@
 FROM python:3.10-slim
 ENV PYTHONUNBUFFERED=1
 
-RUN apt-get update && apt-get install -y gettext && rm -rf /var/lib/apt/lists/*
+RUN apt-get update && apt-get install -y gettext locales && rm -rf /var/lib/apt/lists/*
 
+# Set the locale default to en_US.UTF-8
+RUN sed -i -e 's/# en_US.UTF-8 UTF-8/en_US.UTF-8 UTF-8/' /etc/locale.gen && \
+    dpkg-reconfigure --frontend=noninteractive locales && \
+    update-locale LANG=en_US.UTF-8
+ENV LANG en_US.UTF-8 
 
 WORKDIR /app
 COPY . /app