dockerfile_generator.rb in dockerfile-rails-1.7.1

- old
+ new

@@ -71,10 +71,11 @@
     "libmagickwand-dev" => "imagemagick-libs",
     "libsqlite3-0" => "sqlite-dev",
     "libtiff-dev" => "tiff-dev",
     "libjemalloc2" => "jemalloc",
     "libvips" => "vips-dev",
+    "libyaml-dev" => "yaml-dev",
     "node-gyp" => "gyp",
     "pkg-config" => "pkgconfig",
     "python" => "python3",
     "python-is-python3" => "python3",
     "sqlite3" => "sqlite",
@@ -735,13 +736,13 @@
     requirements.join(" and ")
   end
 
   def build_packages
     # start with the essentials
-    packages = %w(build-essential)
+    packages = %w(build-essential libyaml-dev)
     packages += @@packages["build"] if @@packages["build"]
     packages += %w(nodejs npm) if (node_version == "lts") && (not using_execjs?)
-    packages << "libyaml-dev" if options.fullstaq?
+    packages << "libffi-dev" if  @@packages["ffi"]
 
     # add databases: sqlite3, postgres, mysql
     packages << "pkg-config" if options.sqlite3? || @sqlite3
     packages << "libpq-dev" if options.postgresql? || @postgresql
     packages << "freetds-dev" if options.sqlserver? || @sqlserver