我正在尝试在我的Mac OS X v10.9(Mavericks)机器上安装rmagick .然而.我收到这个错误
/usr/local/bin/Magick-config: line 41: pkg-config: command not found
/usr/local/bin/Magick-config: line 47: pkg-config: command not found
/usr/local/bin/Magick-config: line 50: pkg-config: command not found
/usr/local/bin/Magick-config: line 53: pkg-config: command not found
checking for stdint.h... yes
checking for sys/types.h... yes
checking for wand/MagickWand.h... yes
/usr/local/bin/Magick-config: line 53: pkg-config: command not found
Can't install RMagick 2.13.2. Can't find the ImageMagick library or one of the dependent libraries. Check the mkmf.log file for more detailed information.
Magick-config中的第41,17,50,53行是
--cflags)
pkg-config …我正在尝试用回形针将图像上传到aws s3,但是我收到了这个错误
Command :: file -b --mime '/var/folders/d_/k4_ps9hj5fj_3df5t210vjym0000gn/T/2611a2396a4af6938e5c5867c8bb409f20140515-7787-1u773ft.jpg'
Command :: identify -format '%wx%h,%[exif:orientation]' '/var/folders/d_/k4_ps9hj5fj_3df5t210vjym0000gn/T/2611a2396a4af6938e5c5867c8bb409f20140515-7787-1rep3kt.jpg[0]' 2>/dev/null
[paperclip] An error was received while processing: #<Paperclip::Errors::NotIdentifiedByImageMagickError: Paperclip::Errors::NotIdentifiedByImageMagickError>
Command :: identify -format '%wx%h,%[exif:orientation]' '/var/folders/d_/k4_ps9hj5fj_3df5t210vjym0000gn/T/2611a2396a4af6938e5c5867c8bb409f20140515-7787-1rep3kt.jpg[0]' 2>/dev/null
[paperclip] An error was received while processing: #<Paperclip::Errors::NotIdentifiedByImageMagickError: Paperclip::Errors::NotIdentifiedByImageMagickError>
Command :: file -b --mime '/var/folders/d_/k4_ps9hj5fj_3df5t210vjym0000gn/T/2611a2396a4af6938e5c5867c8bb409f20140515-7787-kfejir.jpg'
在我的模型中,我设置了这些样式
has_attached_file :photo, :storage => :s3, :s3_credentials => "#{Rails.root}/config/s3.yml", :path => "/:style/:id/:filename", :styles => { :medium => "300x300>", :thumb => "100x100>" }, :default_url => "/assets/profile/iama.png"
当我删除这些样式时,一切正常,但我真的需要它们.
我正在使用Rails 3.2.16和
paperclip (4.1.1)
activemodel (>= …我正在 Heroku 上运行我的 Docker 应用程序，使用该heroku.yml文件来定义应用程序。我的heroku.yml 文件几乎反映了docker-compose.yml我在本地使用的文件。
1) Heroku 随后是否以集群模式运行我的应用程序，即使用多个 Docker 引擎还是仅一个？
2) 如果我的应用程序在集群模式下运行与不运行，性能会有什么差异？