Log all services to memory (#4587)

* Log all services to RAM

* Fix tests workdir

* Rotate logs when they reach 10MB and keep only 1 archive

* Gracefully handle shutdown

* Add note about gracetime not working

* Fix logs permission, create fake logs for devcontainer

* Remove empty line

* Update docker/rootfs/etc/services.d/frigate/run

* Fix fake Frigate shebang

docker/rootfs/etc/services.d/nginx/finish

@@ -1,6 +1,7 @@
 #!/command/with-contenv bash
 # shellcheck shell=bash
-# Take down the S6 supervision tree when the process fails
+# Take down the S6 supervision tree when the service fails, or restart it
+# otherwise
 
 if [[ "${1}" -ne 0 && "${1}" -ne 256 ]]; then
   exec /run/s6/basedir/bin/halt

docker/rootfs/etc/services.d/nginx/log/run

@@ -0,0 +1,4 @@
+#!/command/with-contenv bash
+# shellcheck shell=bash
+
+exec logutil-service /dev/shm/logs/nginx

docker/rootfs/etc/services.d/nginx/run

@@ -1,4 +1,7 @@
 #!/command/with-contenv bash
 # shellcheck shell=bash
+# Start the NGINX service
 
+# Replace the bash process with the NGINX process, redirecting stderr to stdout
+exec 2>&1
 exec nginx