Docker Rails服务器拒绝连接

Question

我使用我的Dockerfile设置了Rail-Api服务器，我试图从主机访问它，但我在启动rails服务器并卷曲Docker容器后得到Connection拒绝。

卷曲

curl 192.168.99.100:32776

Docker容器：端口

iptables -L on＆＃39; docker-machine ssh default＆＃39;

Chain INPUT (policy ACCEPT)
target     prot opt source               destination         

Chain FORWARD (policy ACCEPT)
target     prot opt source               destination         
DOCKER     all  --  anywhere             anywhere            
ACCEPT     all  --  anywhere             anywhere             ctstate RELATED,ESTABLISHED
ACCEPT     all  --  anywhere             anywhere            
ACCEPT     all  --  anywhere             anywhere            

Chain OUTPUT (policy ACCEPT)
target     prot opt source               destination         

Chain DOCKER (1 references)
target     prot opt source               destination         
ACCEPT     tcp  --  anywhere             172.17.0.4           tcp dpt:5000
ACCEPT     tcp  --  anywhere             172.17.0.4           tcp dpt:3000
ACCEPT     tcp  --  anywhere             172.17.0.4           tcp dpt:ssh

Dockerfile

FROM centos:6.6

RUN yum update -y
RUN yum install git openssl-devel openssh-server sudo openssl readline-devel readline zlib-devel zlib libxml2-devel libxml2 libxslt-devel libxslt nginx tar gcc libaio libaio-devel -y
RUN rpm -Uvh https://opscode-omnibus-packages.s3.amazonaws.com/el/6/x86_64/chef-12.5.1-1.el6.x86_64.rpm
RUN sed -i -e "s/Defaults    requiretty.*/ #Defaults    requiretty/g" /etc/sudoers

RUN mkdir -p /var/run/sshd

RUN useradd -m -u 1000 -G wheel deploy && echo '%wheel  ALL=(ALL)  NOPASSWD: ALL' >> /etc/sudoers.d/wheel
USER deploy
RUN mkdir ~/dev

RUN git clone https://github.com/sstephenson/rbenv.git ~/.rbenv/
RUN git clone https://github.com/sstephenson/ruby-build.git ~/.rbenv/plugins/ruby-build

ENV PATH ~/.rbenv/bin:$PATH
RUN echo 'eval "$(rbenv init -)"' >> ~/.bash_profile
RUN source ~/.bash_profile
ENV CONFIGURE_OPTS --disable-install-doc

RUN rbenv install 2.2.3
RUN rbenv global 2.2.3
RUN bash -l -c 'gem update --system'
RUN bash -l -c 'gem update'
RUN bash -l -c 'gem install nokogiri -- --use-system-libraries'
RUN bash -l -c 'gem install bundler rails-api --no-rdoc --no-ri'

COPY oracle-instantclient12.1-basic-12.1.0.2.0-1.x86_64.rpm /tmp/oracle-instantclient12.1-basic-12.1.0.2.0-1.x86_64.rpm
COPY oracle-instantclient12.1-devel-12.1.0.2.0-1.x86_64.rpm /tmp/oracle-instantclient12.1-devel-12.1.0.2.0-1.x86_64.rpm
COPY oracle-instantclient12.1-sqlplus-12.1.0.2.0-1.x86_64.rpm /tmp/oracle-instantclient12.1-sqlplus-12.1.0.2.0-1.x86_64.rpm

RUN sudo rpm -Uvh /tmp/oracle-instantclient12.1-basic-12.1.0.2.0-1.x86_64.rpm
RUN sudo rpm -Uvh /tmp/oracle-instantclient12.1-devel-12.1.0.2.0-1.x86_64.rpm
RUN sudo rpm -Uvh /tmp/oracle-instantclient12.1-sqlplus-12.1.0.2.0-1.x86_64.rpm

RUN sudo touch /etc/sysconfig/network

RUN NLS_LANG=American_America.UTF8
ENV ORACLE_HOME=/usr/lib/oracle/12.1/client64
ENV LD_LIBRARY_PATH=/usr/lib/oracle/12.1/client64/lib

EXPOSE 22
EXPOSE 3000
EXPOSE 5000

Answer 1

我会猜测，我认为你使用的是Rails 4.2.x或更高版本（这是今天的最新版本）及其与127.0.0.1或/和localhost的绑定0.0.0.0。检查一下：What does binding a Rails Server to 0.0.0.0 buy you?

尝试跑步：

bundle exec rails server -b0.0.0.0