github.com/openshift/source-to-image@v1.4.1-0.20240516041539-bf52fc02204e/examples/nginx-centos7/Dockerfile (about)

     1  
     2  # nginx-centos7
     3  # Here you can use whatever base image is relevant for your application.
     4  FROM centos:centos7
     5  
     6  # Here you can specify the maintainer for the image that you're building
     7  LABEL maintainer="Your Name <your.name@example.com>"
     8  
     9  # Export an environment variable that provides information about the application version.
    10  # Replace this with the version for your application.
    11  ENV NGINX_VERSION=1.6.3
    12  
    13  # Set the labels that are used for OpenShift to describe the builder image.
    14  LABEL io.k8s.description="Nginx Webserver" \
    15      io.k8s.display-name="Nginx 1.6.3" \
    16      io.openshift.expose-services="8080:http" \
    17      io.openshift.tags="builder,webserver,html,nginx" \
    18      # this label tells s2i where to find its mandatory scripts
    19      # (run, assemble, save-artifacts)
    20      io.openshift.s2i.scripts-url="image:///usr/libexec/s2i"
    21  
    22  # Install the nginx web server package and clean the yum cache
    23  RUN yum install -y epel-release && \
    24      yum install -y --setopt=tsflags=nodocs nginx && \
    25      yum clean all
    26  
    27  # Change the default port for nginx 
    28  # Required if you plan on running images as a non-root user).
    29  RUN sed -i 's/80/8080/' /etc/nginx/nginx.conf
    30  RUN sed -i 's/user nginx;//' /etc/nginx/nginx.conf
    31  
    32  # Copy the S2I scripts to /usr/libexec/s2i since we set the label that way
    33  COPY ./s2i/bin/ /usr/libexec/s2i
    34  
    35  RUN chown -R 1001:1001 /usr/share/nginx
    36  RUN chown -R 1001:1001 /var/log/nginx
    37  RUN chown -R 1001:1001 /var/lib/nginx
    38  RUN touch /run/nginx.pid
    39  RUN chown -R 1001:1001 /run/nginx.pid
    40  RUN chown -R 1001:1001 /etc/nginx
    41  
    42  USER 1001
    43  
    44  # Set the default port for applications built using this image
    45  EXPOSE 8080
    46  
    47  # Modify the usage script in your application dir to inform the user how to run
    48  # this image.
    49  CMD ["/usr/libexec/s2i/usage"]