first working prototype

Dockerfile

@@ -11,17 +11,24 @@ ENV USERNAME=steam
 VOLUME [ "/home/${USERNAME}" ]
 
 RUN pacman -Syu --noconfirm && \
-    pacman -S --noconfirm --needed base-devel openssh git sudo cargo tmux vim wget python unzip bc jq netcat && \
+    pacman -S --noconfirm --needed base-devel openssh git sudo cargo tmux screen vim wget python unzip bc jq netcat && \
     groupadd -g ${GROUP_ID} ${USERNAME} && \
     useradd -u ${USER_ID} -g ${GROUP_ID} -M -d /home/${USERNAME} -s /bin/bash ${USERNAME} && \
     chown ${USER_ID}:${GROUP_ID} /home/${USERNAME} && \
     echo "${USERNAME} ALL=(ALL) NOPASSWD:ALL" >> /etc/sudoers && \
-    systemctl enable sshd.service && \
-    cd /tmp && ls -la && sudo -u ${USERNAME} git clone https://aur.archlinux.org/paru.git && cd paru && \
+    cd /tmp && sudo -u ${USERNAME} git clone https://aur.archlinux.org/paru.git && cd paru && \
     sudo -u ${USERNAME} makepkg -si --noconfirm && \
-    sudo -u ${USERNAME} paru -S --noconfirm steamcmd bsdmainutils
+    sudo -u ${USERNAME} paru -S --noconfirm steamcmd bsdmainutils && \
+    echo "HostKey /home/${USERNAME}/.ssh/ssh_host_rsa_key" >> /etc/ssh/sshd_config && \
+    echo "HostKey /home/${USERNAME}/.ssh/ssh_host_ecdsa_key" >> /etc/ssh/sshd_config && \
+    echo "HostKey /home/${USERNAME}/.ssh/ssh_host_ed25519_key" >> /etc/ssh/sshd_config && \
+    echo "PasswordAuthentication no" >> /etc/ssh/sshd_config && \
+    echo "PermitRootLogin no" >> /etc/ssh/sshd_config && \
+    echo "PidFile /home/${USERNAME}/.ssh/sshd.pid" >> /etc/ssh/sshd_config
 
 USER ${USERNAME}
 WORKDIR /home/${USERNAME}
 
-CMD top -b
+COPY entrypoint.sh /opt/
+
+CMD /opt/entrypoint.sh

docker-compose.yml

@@ -5,6 +5,7 @@ services:
     image: steam-container:latest
     build: .
     container_name: steam
+    hostname: steam-container
     volumes:
       - ./steam:/home/steam
     ports: 

entrypoint.sh

@@ -0,0 +1,10 @@
+#!/bin/bash
+
+if [ -r ~/.ssh/ssh_host_rsa_key ]; then
+    /usr/bin/sshd -D -e
+else
+    ssh-keygen -q -N "" -t rsa -b 4096 -f ~/.ssh/ssh_host_rsa_key
+    ssh-keygen -q -N "" -t ecdsa -f ~/.ssh/ssh_host_ecdsa_key
+    ssh-keygen -q -N "" -t ed25519 -f ~/.ssh/ssh_host_ed25519_key
+    /usr/bin/sshd -D -e
+fi