Docker: Make sure that tmp/pids is present in image

Author: ledermann

.dockerignore

@@ -27,4 +27,6 @@ public/packs-test
 public/packs/*
 public/uploads
 tmp/*
+!tmp/pids/
+!tmp/pids/.keep
 yarn-error.log

.gitignore

@@ -13,6 +13,11 @@
 !/log/.keep
 !/tmp/.keep
 
+# Ignore pidfiles, but keep the directory.
+/tmp/pids/*
+!/tmp/pids/
+!/tmp/pids/.keep
+
 # Ignore uploaded files in development
 /storage/*
 !/storage/.keep

docker/startup.sh

@@ -2,5 +2,4 @@
 
 ./docker/wait-for-services.sh
 ./docker/prepare-db.sh
-mkdir -p ./tmp/pids
 bundle exec puma -C config/puma.rb