Config Nanoc in Docker Error facing "Nanoc::Core::ConfigLoader::NoConfigFileFoundError: No configuration file found"

Question

I try to create nanoc Markdown Documentation page deployment using docker.
Docker container was created successfully.
While running the container i am getting the nanoc configuration error and container stopped.

I have mentioned the steps followed for implementation.

Followed Steps
Step 1
Docker file

FROM ruby:latest

# Create app directory

WORKDIR /usr/src/app

COPY Gemfile .

# Copy the files
COPY . ./docs

RUN bundler install
RUN apt update

# Start the development/staging server
EXPOSE 3000
CMD ["bundler","exec","nanoc","view" ]

Step 2

docker build -t nanoc:latest .

Step 3

docker run -p 0.0.0.0:3000:3000 --name nanoc-latest -t -d nanoc:latest

Docker Logs container ID

Answer 1

Docker file update:

FROM ruby:2.3
RUN mkdir -p /user/src/app
COPY . /usr/src/app
WORKDIR /usr/src/app/docs

RUN bundle install
RUN bundle exec nanoc
EXPOSE 3000
CMD bundle exec nanoc view

This configuration will sole the above error.