Ruby on rails 2016-12-28221:58:04.515710+00:00应用程序[网站1]：呈现共享/_post_form.html.slim（16.2ms） 2016-12-28221:58:04.515770+00:00应用程序[web.1]：在布局/应用程序中呈现用户/show.html.slim（73.9ms） 2016-12-28221:58:04.552423+00:00应用程序[web.1]：（0.8ms）从“通知”中选择计数（*），其中“通知”。“收件人id”=$1和“通知”。“已选中”=$2[[“收件人id”，1），“已选中”，“f”]] 2016-12-28221:58:04.553223+00:00应用程序[web.1]：渲染布局/_header.html.slim（26.5ms） 2016-12-28221:58:04.560863+00:00应用程序[web.1]：呈现共享/_flash_messages.html.slim（6.3ms） 2016-12-28221:58:04.561408+00:00应用程序[web.1]：在133ms内完成200 OK（视图：116.4ms |活动记录：8.2ms）

好的，看起来图片进入了temp文件而不是S3。现在您知道必须配置bucket。请密切关注本页：

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你接近了！不要放弃。

你在用雾宝石吗？我没有。我应该吗？是的。尝试一下，还可以使用ImageMagic来减小文件大小。我在heroku日志中没有看到任何引起危险的东西。Fog是一种将照片发送到S3的简单方法，如果失败，您将收到一条错误消息。我尝试遵循此方法，但没有成功。那么，当您选择要上传的照片并单击“提交”按钮时，会发生什么呢？也许看看你的日志。

    production.rb 

    config.paperclip_defaults = {
    storage: :s3,
    # s3_host_name: 's3.amazonaws.com',
    s3_credentials: {
      bucket: ENV.fetch('S3_BUCKET_NAME'),
      access_key_id: ENV.fetch('AWS_ACCESS_KEY_ID'),
      secret_access_key: ENV.fetch('AWS_SECRET_ACCESS_KEY'),
      s3_region: ENV.fetch('AWS_REGION'),
    }
  }



$ heroku config:set S3_BUCKET_NAME=your_bucket_name
$ heroku config:set AWS_ACCESS_KEY_ID=your_access_key_id
$ heroku config:set AWS_SECRET_ACCESS_KEY=your_secret_access_key
$ heroku config:set AWS_REGION=us-east-1


Heroku Logs

2016-12-28T21:57:52.101029+00:00 heroku[web.1]: Unidling
2016-12-28T21:57:52.101275+00:00 heroku[web.1]: State changed from down to starting
2016-12-28T21:57:57.778592+00:00 heroku[web.1]: Starting process with command `bin/rails server -p 30838 -e production`
2016-12-28T21:58:02.108725+00:00 app[web.1]: [2016-12-28 21:58:02] INFO  WEBrick 1.3.1
2016-12-28T21:58:02.108742+00:00 app[web.1]: [2016-12-28 21:58:02] INFO  ruby 2.2.6 (2016-11-15) [x86_64-linux]
2016-12-28T21:58:02.109000+00:00 app[web.1]: [2016-12-28 21:58:02] INFO  WEBrick::HTTPServer#start: pid=4 port=30838
2016-12-28T21:58:02.570577+00:00 heroku[web.1]: State changed from starting to up
2016-12-28T21:58:04.144516+00:00 app[web.1]: => Booting WEBrick
2016-12-28T21:58:04.144539+00:00 app[web.1]: => Rails 4.2.3 application starting in production on http://0.0.0.0:30838
2016-12-28T21:58:04.144541+00:00 app[web.1]: => Run `rails server -h` for more startup options
2016-12-28T21:58:04.144541+00:00 app[web.1]: => Ctrl-C to shutdown server
2016-12-28T21:58:04.144542+00:00 app[web.1]: Started POST "/posts" for 162.199.225.97 at 2016-12-28 21:58:04 +0000
2016-12-28T21:58:04.185386+00:00 app[web.1]: Processing by PostsController#create as HTML
2016-12-28T21:58:04.185468+00:00 app[web.1]:   Parameters: {"utf8"=>"✓", "authenticity_token"=>"L8jVCl6TKg9movpIhk8pt6P9oAv2h7c8sNGHu3n3XhoAke5HgoQuRMncUje71ng/EzSsrBxP5bUBrByTqWALEw==", "post"=>{"content"=>"", "image"=>#<ActionDispatch::Http::UploadedFile:0x007f8aaa6441a0 @tempfile=#<Tempfile:/tmp/RackMultipart20161228-4-mfx8dx.jpg>, @original_filename="best-kitten-names-1.jpg", @content_type="image/jpeg", @headers="Content-Disposition: form-data; name=\"post[image]\"; filename=\"best-kitten-names-1.jpg\"\r\nContent-Type: image/jpeg\r\n">}, "commit"=>"Post"}
2016-12-28T21:58:04.205630+00:00 app[web.1]:   User Load (1.1ms)  SELECT  "users".* FROM "users" WHERE "users"."id" = $1  ORDER BY "users"."id" ASC LIMIT 1  [["id", 1]]
2016-12-28T21:58:04.264197+00:00 app[web.1]:    (0.7ms)  BEGIN
2016-12-28T21:58:04.268176+00:00 app[web.1]:   SQL (1.1ms)  INSERT INTO "posts" ("content", "user_id", "created_at", "updated_at") VALUES ($1, $2, $3, $4) RETURNING "id"  [["content", ""], ["user_id", 1], ["created_at", "2016-12-28 21:58:04.264795"], ["updated_at", "2016-12-28 21:58:04.264795"]]
2016-12-28T21:58:04.270377+00:00 app[web.1]:    (1.6ms)  COMMIT
2016-12-28T21:58:04.271066+00:00 app[web.1]: Redirected to https://immense-gorge-61510.herokuapp.com/users/1
2016-12-28T21:58:04.271231+00:00 app[web.1]: Completed 302 Found in 86ms (ActiveRecord: 12.4ms)
2016-12-28T21:58:04.271721+00:00 heroku[router]: at=info method=POST path="/posts" host=immense-gorge-61510.herokuapp.com request_id=e3e74cff-240a-4041-bc5b-5e4bae727b53 fwd="162.199.225.97" dyno=web.1 connect=0ms service=135ms status=302 bytes=1168
2016-12-28T21:58:04.562237+00:00 heroku[router]: at=info method=GET path="/users/1" host=immense-gorge-61510.herokuapp.com request_id=b17a22b5-d8f7-4305-860d-7366fbd8e8f1 fwd="162.199.225.97" dyno=web.1 connect=0ms service=143ms status=200 bytes=5100
2016-12-28T21:58:04.425366+00:00 app[web.1]: Started GET "/users/1" for 162.199.225.97 at 2016-12-28 21:58:04 +0000
2016-12-28T21:58:04.428258+00:00 app[web.1]: Processing by UsersController#show as HTML
2016-12-28T21:58:04.428277+00:00 app[web.1]:   Parameters: {"id"=>"1"}
2016-12-28T21:58:04.430570+00:00 app[web.1]:   User Load (0.9ms)  SELECT  "users".* FROM "users" WHERE "users"."id" = $1  ORDER BY "users"."id" ASC LIMIT 1  [["id", 1]]
2016-12-28T21:58:04.434624+00:00 app[web.1]:   User Load (0.8ms)  SELECT  "users".* FROM "users" WHERE "users"."id" = $1 LIMIT 1  [["id", 1]]
2016-12-28T21:58:04.438495+00:00 app[web.1]:   Post Load (1.0ms)  SELECT "posts".* FROM "posts" WHERE "posts"."user_id" = $1  [["user_id", 1]]
2016-12-28T21:58:04.459392+00:00 app[web.1]:    (0.9ms)  SELECT COUNT(*) FROM "posts" WHERE (user_id = 1)
2016-12-28T21:58:04.470197+00:00 app[web.1]:   Post Load (1.1ms)  SELECT  "posts".* FROM "posts" WHERE (user_id = 1)  ORDER BY "posts"."created_at" DESC LIMIT 10 OFFSET 0
2016-12-28T21:58:04.473733+00:00 app[web.1]:   User Load (1.0ms)  SELECT  "users".* FROM "users" WHERE "users"."id" = $1 LIMIT 1  [["id", 1]]
2016-12-28T21:58:04.489307+00:00 app[web.1]:   CACHE (0.0ms)  SELECT  "users".* FROM "users" WHERE "users"."id" = $1 LIMIT 1  [["id", 1]]
2016-12-28T21:58:04.490576+00:00 app[web.1]:   CACHE (0.0ms)  SELECT  "users".* FROM "users" WHERE "users"."id" = $1 LIMIT 1  [["id", 1]]
2016-12-28T21:58:04.492301+00:00 app[web.1]:   CACHE (0.0ms)  SELECT  "users".* FROM "users" WHERE "users"."id" = $1 LIMIT 1  [["id", 1]]
2016-12-28T21:58:04.493573+00:00 app[web.1]:   CACHE (0.0ms)  SELECT  "users".* FROM "users" WHERE "users"."id" = $1 LIMIT 1  [["id", 1]]
2016-12-28T21:58:04.494749+00:00 app[web.1]:   CACHE (0.0ms)  SELECT  "users".* FROM "users" WHERE "users"."id" = $1 LIMIT 1  [["id", 1]]
2016-12-28T21:58:04.496086+00:00 app[web.1]:   CACHE (0.0ms)  SELECT  "users".* FROM "users" WHERE "users"."id" = $1 LIMIT 1  [["id", 1]]
2016-12-28T21:58:04.497785+00:00 app[web.1]:   CACHE (0.0ms)  SELECT  "users".* FROM "users" WHERE "users"."id" = $1 LIMIT 1  [["id", 1]]
2016-12-28T21:58:04.498880+00:00 app[web.1]:   Rendered shared/_wall.html.slim (34.4ms)
2016-12-28T21:58:04.513974+00:00 app[web.1]:   Rendered shared/_error_messages.html.slim (6.4ms)
2016-12-28T21:58:04.515710+00:00 app[web.1]:   Rendered shared/_post_form.html.slim (16.2ms)
2016-12-28T21:58:04.515770+00:00 app[web.1]:   Rendered users/show.html.slim within layouts/application (73.9ms)
2016-12-28T21:58:04.552423+00:00 app[web.1]:    (0.8ms)  SELECT COUNT(*) FROM "notifications" WHERE "notifications"."recipient_id" = $1 AND "notifications"."checked" = $2  [["recipient_id", 1], ["checked", "f"]]
2016-12-28T21:58:04.553223+00:00 app[web.1]:   Rendered layouts/_header.html.slim (26.5ms)
2016-12-28T21:58:04.560863+00:00 app[web.1]:   Rendered shared/_flash_messages.html.slim (6.3ms)
2016-12-28T21:58:04.561408+00:00 app[web.1]: Completed 200 OK in 133ms (Views: 116.4ms | ActiveRecord: 8.2ms)