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capistrano deployment using CircleCI 2.0
version: 2
- image: ruby:2.3.3-alpine
working_directory: /home/circleci/
- setup_remote_docker:
reusable: true
- run:
name: Install System Dependencies
# See also
command: apk add --update --no-cache git openssh-client tar gzip build-base tzdata
- run:
name: Set timezone to Asia/Tokyo
command: cp /usr/share/zoneinfo/Asia/Tokyo /etc/localtime
- checkout
- restore_cache:
name: Restore bundler cache
- gems-{{ .Environment.COMMON_CACHE_KEY }}-{{ checksum "Gemfile.lock" }}
- gems-{{ .Environment.COMMON_CACHE_KEY }}-
- run:
name: Install Ruby Dependencies
command: bundle check || bundle install --jobs=4 --retry=3
- save_cache:
name: Save bundler cache
key: gems-{{ .Environment.COMMON_CACHE_KEY }}-{{ checksum "Gemfile.lock" }}
- /usr/local/bundle
- add_ssh_keys:
# for ssh to
# See
- "43:7f:b2:..."
- deploy:
name: Maybe Deploy
command: |
if [ "${CIRCLE_BRANCH}" != "master" ]; then
exit 0
if [ -z "${BUNDLE_UPDATE}" ]; then
gem install -N bundler circleci-bundle-update-pr
circleci-bundle-update-pr CircleCI
#!/bin/sh -eu
cat <<EOF >> $HOME/.ssh/config
User masutaka
ForwardAgent yes
# Add the preferred key for getting GitHub Permission
# See
eval $(ssh-agent)
bundle exec cap prod deploy

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@masutaka masutaka commented Apr 16, 2017

The target repository is which is a private one.


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@autobolt autobolt commented Nov 2, 2017

Thanks for sharing the circleci config! It has been very useful!


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@stevepaulo stevepaulo commented Mar 4, 2018

When I try to adapt this setup to my own project, CircleCI asks for my deploy user's password when it gets to the cap production deploy step. But that doesn't happen when I run that command manually. I'm assuming I have the wrong SSH keys set up in the wrong place? Do you have any insight into this?

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