21/01/2025 - DOckerise Initiate

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Commented test gems, therubyrace, memcatched, dbi, mysql,   installation went upto - see below error -   35.52 Installing sass-rails 4.0.5 36.36 Installing rails 4.1.6 63.20 Gem::Ext::BuildError: ERROR: Failed to build gem native extension. 63.20 63.20 current directory: /home/appuser/.gem/gems/mysql2-0.3.21/ext/mysql2 63.20 /usr/local/bin/ruby -r ./siteconf20250121-1-kwm824.rb extconf.rb 63.20 checking for ruby/thread.h… yes 63.20 checking for rb_thread_call_without_gvl() in ruby/thread.h… yes 63.20 checking for rb_thread_blocking_region()… no 63.20 checking for rb_wait_for_single_fd()… yes 63.20 checking for rb_hash_dup()… yes 63.20 checking for rb_intern3()… yes 63.20 —–

Use an official Ubuntu image

FROM ubuntu:20.04

Set bash as the default shell

SHELL [“/bin/bash”, “-c”]

Predefine non-interactive environment

ENV DEBIAN_FRONTEND=noninteractive

Install dependencies

RUN apt-get update && apt-get install -y –no-install-recommends
build-essential
libssl-dev
libreadline-dev
zlib1g-dev
libffi-dev
libyaml-dev
libgdbm-dev
libmysqlclient-dev
curl
ca-certificates
libxml2-dev
libxslt1-dev
wget
tzdata
gnupg
python2 &&
ln -s /usr/bin/python2 /usr/bin/python &&
apt-get clean && rm -rf /var/lib/apt/lists/*

Set timezone to avoid interactive prompts

RUN ln -fs /usr/share/zoneinfo/UTC /etc/localtime &&
dpkg-reconfigure -f noninteractive tzdata

Install Ruby using ruby-build

RUN curl -fsSL https://github.com/rbenv/ruby-build/archive/refs/heads/master.tar.gz | tar -xz -C /tmp &&
cd /tmp/ruby-build-* &&
./install.sh &&
ruby-build 2.3.5 /usr/local &&
rm -rf /tmp/ruby-build-*

Set Ruby and Bundler globally

RUN ln -s /usr/local/bin/ruby /usr/bin/ruby &&
ln -s /usr/local/bin/gem /usr/bin/gem &&
gem install bundler -v 1.17.3

Fix potential MySQL library paths for Ruby gems

RUN ln -s /usr/lib/x86_64-linux-gnu/libmysqlclient.so /usr/lib/libmysqlclient.so &&
ln -s /usr/bin/mysql_config /usr/local/bin/mysql_config

Add a non-root user

RUN useradd -ms /bin/bash appuser

Set the working directory

WORKDIR /app

Change ownership of /app to appuser

RUN chown -R appuser:appuser /app

Grant permissions to appuser for gem installation

ENV GEM_HOME=/home/appuser/.gem ENV PATH=$GEM_HOME/bin:$PATH RUN mkdir -p $GEM_HOME && chown -R appuser:appuser $GEM_HOME

Switch to the non-root user

USER appuser

Copy Gemfile and Gemfile.lock for dependency installation

COPY –chown=appuser:appuser Gemfile Gemfile.lock ./

Configure gem build and install gems

RUN bundle config set –local path “$GEM_HOME” &&
bundle config set –local build.mysql2 –with-mysql-config=/usr/bin/mysql_config &&
bundle install –jobs 4

Copy the application code

COPY –chown=appuser:appuser . .

Expose the application port

EXPOSE 3000

Default command

CMD [“bundle”, “exec”, “rails”, “server”, “-b”, “0.0.0.0”]

— - - - - - - - - - - — - - - - — - - - — - - - - — - - — — - - - - - - - - - - — - - - - — - - - — - - - - — - - — — - - - - - - - - - - — - - - - — - - - — - - - - — - - — V0.0.2 - RUN till mysql gem installation -

Use an official Ubuntu image

FROM ubuntu:20.04

Set bash as the default shell

SHELL [“/bin/bash”, “-c”]

Predefine non-interactive environment

ENV DEBIAN_FRONTEND=noninteractive

Install dependencies

Set timezone to avoid interactive prompts

RUN ln -fs /usr/share/zoneinfo/UTC /etc/localtime &&
dpkg-reconfigure -f noninteractive tzdata

Update config.guess and config.sub

RUN wget -O /usr/share/misc/config.guess http://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.guess;hb=HEAD &&
wget -O /usr/share/misc/config.sub http://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.sub;hb=HEAD

Install Ruby using ruby-build

RUN curl -fsSL https://github.com/rbenv/ruby-build/archive/refs/heads/master.tar.gz | tar -xz -C /tmp &&
cd /tmp/ruby-build-* &&
./install.sh &&
ruby-build 2.3.5 /usr/local

Set Ruby version globally

RUN ln -s /usr/local/bin/ruby /usr/bin/ruby &&
ln -s /usr/local/bin/gem /usr/bin/gem

Install Bundler

RUN gem install bundler -v 1.17.3

Set the working directory

WORKDIR /app

Copy the application Gemfile

COPY Gemfile Gemfile.lock ./

Configure MySQL gem build options and install dependencies

RUN bundle config build.mysql –with-mysql-config=/usr/bin/mysql_config &&
bundle config build.mysql2 –with-mysql-config=/usr/bin/mysql_config &&
bundle install

Copy the application code

COPY . .

Expose the application port

EXPOSE 3000

Default command

CMD [“bundle”, “exec”, “rails”, “server”, “-b”, “0.0.0.0”]  docker-compose file -   version: “3.8”

services: app: build: context: . volumes: - .:/app ports: - “3000:3000” environment: DB_HOST: dev-rds01.cfwimw2efneb.us-east-1.rds.amazonaws.com DB_USERNAME: sr_web DB_PASSWORD: tm2 DB_NAME: smartrebates

— - - - - - - - - - - — - - - - — - - - — - - - - — - - — — - - - - - - - - - - — - - - - — - - - — - - - - — - - — — - - - - - - - - - - — - - - - — - - - — - - - - — - - — V0.0.1 - RUN till mysql gem installation -  

Use an official Ubuntu image

FROM ubuntu:20.04

Set bash as the default shell

SHELL [“/bin/bash”, “-c”]

Install dependencies

RUN apt-get update && apt-get install -y –no-install-recommends
build-essential
curl
libssl-dev
libreadline-dev
zlib1g-dev
ca-certificates
libffi-dev
wget
&& rm -rf /var/lib/apt/lists/*

Update config.guess and config.sub

Install Ruby using ruby-build

RUN curl -fsSL https://github.com/rbenv/ruby-build/archive/refs/heads/master.tar.gz | tar -xz -C /tmp &&
cd /tmp/ruby-build-* &&
./install.sh &&
ruby-build 2.3.5 /usr/local

Set Ruby version globally

RUN ln -s /usr/local/bin/ruby /usr/bin/ruby &&
ln -s /usr/local/bin/gem /usr/bin/gem

Install Bundler

RUN gem install bundler -v 1.17.3

Install application dependencies

COPY Gemfile Gemfile.lock ./ RUN bundle install

— - - - - - - - - - - — - - - - — - - - — - - - - — - - — — - - - - - - - - - - — - - - - — - - - — - - - - — - - — — - - - - - - - - - - — - - - - — - - - — - - - - — - - — Install Ruby / Gems

Till - .89 Installing ffi 1.9.18 with native extensions 76.60 Gem::Ext::BuildError: ERROR: Failed to build gem native extension.

Use an official Ubuntu image

FROM ubuntu:20.04

Set bash as the default shell

SHELL [“/bin/bash”, “-c”]

Install dependencies

RUN apt-get update && apt-get install -y –no-install-recommends
build-essential
curl
libssl-dev
libreadline-dev
zlib1g-dev
ca-certificates
&& rm -rf /var/lib/apt/lists/*

Install Ruby using ruby-build

RUN curl -fsSL https://github.com/rbenv/ruby-build/archive/refs/heads/master.tar.gz | tar -xz -C /tmp &&
cd /tmp/ruby-build-* &&
./install.sh &&
ruby-build 2.3.5 /usr/local

Set Ruby version globally

RUN ln -s /usr/local/bin/ruby /usr/bin/ruby &&
ln -s /usr/local/bin/gem /usr/bin/gem

Verify Ruby installation

RUN ruby -v && gem -v

Install Bundler

RUN gem install bundler -v 1.17.3

Set the working directory

WORKDIR /app

Copy Gemfile and Gemfile.lock into the container

COPY Gemfile Gemfile.lock ./

Install Ruby dependencies

RUN bundle install