not including nix environment in dev container

dev/Dockerfile

@@ -15,13 +15,16 @@ RUN userdel ubuntu \
 
 USER heywoodlh
 ENV HOME=/home/heywoodlh
-RUN curl -H 'Cache-Control: no-cache' -L https://files.heywoodlh.io/scripts/linux.sh | bash -s -- server \
-    && rm -rf /home/heywoodlh/.cache/nix/
 
 USER root
 COPY supervisord.conf /etc/supervisor/conf.d/supervisord.conf
 COPY sshd.sh /sshd.sh
 COPY ttyd.sh /ttyd.sh
+COPY heywoodlh.sh /heywoodlh.sh
 EXPOSE 22
 EXPOSE 8080
+
+VOLUME /nix
+VOLUME /home/heywoodlh
+
 ENTRYPOINT ["/usr/bin/supervisord", "-c", "/etc/supervisor/conf.d/supervisord.conf"]

dev/docker-compose.yml

@@ -15,6 +15,8 @@ services:
       - dind
     volumes:
       - certs:/certs
+      - nix:/nix
+      - heywoodlh-home:/home/heywoodlh
   dind:
     image: docker.io/docker:dind
     restart: unless-stopped
@@ -24,3 +26,5 @@ services:
 
 volumes:
   certs:
+  nix:
+  heywoodlh-home:

dev/heywoodlh.sh

@@ -0,0 +1,11 @@
+#!/usr/bin/env bash
+
+# If tmux not installed, then assume flake not setup
+if [[ ! -e /home/heywoodlh/.nix-profile/bin/tmux ]]
+then
+    curl -H 'Cache-Control: no-cache' -L https://files.heywoodlh.io/scripts/linux.sh | bash -s -- server \
+        && rm -rf /home/heywoodlh/.cache/nix/
+
+    ## kill ttyd after tmux install
+    [[ -e /home/heywoodlh/.nix-profile/bin/tmux ]] && sudo pkill -9 ttyd
+fi

dev/supervisord.conf

@@ -12,3 +12,11 @@ user=root
 command=/ttyd.sh
 user=root
 autostart=true
+autorestart=true
+
+[program:heywoodlh]
+command=/heywoodlh.sh
+user=heywoodlh
+autostart=true
+autorestart=false
+startsecs=0

dev/ttyd.sh

@@ -7,4 +7,7 @@ then
     TTYD_ARGS="${TTYD_ARGS} --credential ${TTYD_USER}:${TTYD_PASS}"
 fi
 
-ttyd -p 80 --uid 1000 --gid 1000 -w /home/heywoodlh --writable ${TTYD_ARGS} /home/heywoodlh/.nix-profile/bin/tmux
+COMMAND="/bin/bash"
+[[ -e /home/heywoodlh/.nix-profile/bin/tmux ]] && COMMAND="/home/heywoodlh/.nix-profile/bin/tmux"
+
+ttyd -p 80 --uid 1000 --gid 1000 -w /home/heywoodlh --writable ${TTYD_ARGS} ${COMMAND}