[Lufi] Not sure about KEY_COOKIE injection, change to env variable

pica-lufi/entrypoint.sh

@@ -20,9 +20,6 @@ if [ -z "${POSTGRES_PASSWORD}" ]; then
   exit 1
 fi
 
-echo "Generate secret key for cookies..."
-key=`tr -dc 'a-zA-Z0-9' < /dev/urandom | fold -w 48 | head -n 1`
-
 echo "Create crontab for cleaning tasks..."
 
 # See https://framagit.org/fiat-tux/hat-softwares/lufi/-/wikis/cron-jobs
@@ -33,7 +30,7 @@ echo "0 0 * * * carton exec $APP_HOME/script/lufi cron cleanfiles --mode product
 
 
 echo "Start Lufi..."
-KEY_COOKIE=${key} $@ &
+$@ &
 
 echo "Start supercronic..."
 supercronic /crontab.conf

pica-lufi/secrets/lufi.secrets.example

 EMAIL_PASSWORD=password
+# Generate one with the following command :
+# tr -dc 'a-zA-Z0-9' < /dev/urandom | fold -w 48 | head -n 1
+KEY_COOKIE=