add locales; cleanup the image

steamcmd/debian/Dockerfile

@@ -10,14 +10,42 @@ ENV         DEBIAN_FRONTEND=noninteractive
 RUN         dpkg --add-architecture i386 \
             && apt-get update \
             && apt-get upgrade -y \
-            && apt-get install -y tar curl gcc g++ lib32gcc-s1 libgcc-12-dev libgcc-11-dev libcurl4-gnutls-dev:i386 libssl-dev:i386 libcurl4:i386 lib32tinfo6 libtinfo6:i386 lib32z1 lib32stdc++6 libncurses5:i386 libcurl3-gnutls:i386 libsdl2-2.0-0:i386 libsdl2-2.0-0 iproute2 gdb libsdl1.2debian libfontconfig1 telnet net-tools netcat-traditional tzdata numactl xvfb wget tini \
-            && useradd -m -d /home/container container
+            && apt-get install -y \
+				tar \
+				curl \
+				gcc \
+				g++ \
+				lib32gcc-s1 \
+				libgcc-12-dev \
+				libgcc-11-dev \
+				libcurl4-gnutls-dev:i386 \
+				libssl-dev:i386 \
+				libcurl4:i386 \
+				lib32tinfo6 \
+				libtinfo6:i386 \
+				lib32z1 \
+				lib32stdc++6 \
+				libncurses5:i386 \
+				libcurl3-gnutls:i386 \
+				libsdl2-2.0-0:i386 \
+				libsdl2-2.0-0 \
+				iproute2 \
+				gdb \
+				libsdl1.2debian \
+				libfontconfig1 \
+				telnet \
+				net-tools \
+				netcat-traditional \
+				tzdata \
+				numactl \
+				xvfb \
+				wget \
+				tini
 
 ## install rcon
 RUN         cd /tmp/ \
             && curl -sSL https://github.com/gorcon/rcon-cli/releases/download/v0.10.3/rcon-0.10.3-amd64_linux.tar.gz > rcon.tar.gz \
-            && tar xvf rcon.tar.gz \
-            && mv rcon-0.10.3-amd64_linux/rcon /usr/local/bin/
+            && tar xvf rcon.tar.gz
 
             # Temp fix for things that still need libssl1.1
 RUN         if [ "$(uname -m)" = "x86_64" ]; then \
@@ -26,6 +54,15 @@ RUN         if [ "$(uname -m)" = "x86_64" ]; then \
                 rm libssl1.1_1.1.0g-2ubuntu4_amd64.deb; \
             fi
 
+# Set the locale
+RUN        	sed -i '/en_US.UTF-8/s/^# //g' /etc/locale.gen && \
+           	locale-gen
+ENV      	LANG=en_US.UTF-8
+ENV       	LANGUAGE=en_US:en
+ENV        	LC_ALL=en_US.UTF-8
+
+## Setup user and working directory
+RUN         useradd -m -d /home/container -s /bin/bash container
 USER        container
 ENV         USER=container HOME=/home/container
 WORKDIR     /home/container