-ENV LANG='en_US.UTF-8' LANGUAGE='en_US:en' LC_ALL='en_US.UTF-8'
-ENV NOTVISIBLE "in users profile"
-ENV VPP_PYTHON_PREFIX=/var/cache/vpp/python
+
+# Configure locales
+RUN apt-get update -qq \
+ && apt-get install -y \
+ apt-utils \
+ locales \
+ && sed -i 's/# \(en_US\.UTF-8 .*\)/\1/' /etc/locale.gen \
+ && locale-gen en_US.UTF-8 \
+ && dpkg-reconfigure --frontend=noninteractive locales \
+ && update-locale LANG=en_US.UTF-8 \
+ && TZ=Etc/UTC && ln -snf /usr/share/zoneinfo/$TZ /etc/localtime && echo $TZ > /etc/timezone \
+ && rm -r /var/lib/apt/lists/*
+ENV LANG="en_US.UTF-8" LANGUAGE="en_US" LC_ALL="en_US.UTF-8"