Switch to non-PID1 init

Containerfile

@@ -1,5 +1,5 @@
 FROM alpine
-RUN apk update
-RUN apk add alpine-conf doas runit openssh-server
+RUN apk add --no-cache alpine-conf doas runit openssh-server
 COPY etc/ /etc/
-CMD [ "/sbin/runit" ]
+COPY /sbin /sbin/
+CMD [ "/sbin/toolbox-init" ]

README.md

@@ -40,6 +40,16 @@ Once set up,
 you should be able to ssh in for most of your needs.
 
 
+Startup scripts
+---------------
+
+The system uses [runit](http://smarden.org/runit/).
+If you drop an executable in `/etc/service/*/run`,
+runit will run it.
+
+Be sure to `lbu commit` if you're making startup scripts.
+
+
 Podman vs Docker
 ----------------
 

etc/apk/protected_paths.d/toolbox.list

@@ -0,0 +1,3 @@
+-/etc/apk/protected_paths.d/toolbox.list
+-/etc/service/*/supervise
+-/etc/service/*/log/supervise

etc/runit/2

@@ -1,3 +0,0 @@
-#! /bin/sh
-
-exec /sbin/runsvdir /etc/service

etc/runit/3

@@ -1,3 +0,0 @@
-#! /bin/sh
-
-echo "*** Goodbye."

sbin/toolbox-init

@@ -1,5 +1,8 @@
 #! /bin/sh
 
+exec > /var/log/boot.log
+exec 2>&1
+
 error () {
   printf '\033[31mFLAGRANT SYSTEM ERROR\033[0m - %s' "$*" >> /etc/motd
 }
@@ -13,8 +16,11 @@ apkovl=/mnt/toolbox/lbu/$(hostname).apkovl.tar.gz
 if [ -f $apkovl ]; then
   tar xf $apkovl || error "restoring system: untar $apkovl failed"
 else
-  echo "$apkovl missing, skipping restore"
+  echo "$apkovl missing; run 'lbu commit' to create it"
 fi
 
 echo "*** Updating packages"
 apk fix
+
+echo "*** Handing off to runsvdir"
+exec /sbin/runsvdir /etc/service