DockerFile with Jenkins, Android, Flutter, Gradle, Docker, Docker Compose

AppDevJenkinsDockerfile

------------Dockerfile-----------------


# Setting the base image of which docker image is being created
FROM jenkins/jenkins:lts

# Switching to root user to install dependencies and flutter
USER root

#Flutter

#Installing the different dependencies required for Flutter, installing flutter from beta channel from github and giving permissions to jenkins user to the folder
RUN apt-get update && apt-get install -y --force-yes git wget unzip libgconf-2-4 gdb libstdc++6 libglu1-mesa fonts-droid-fallback lib32stdc++6 python3 \
    && apt-get clean \
    && git clone -b beta https://github.com/flutter/flutter.git /usr/local/flutter \
    && chown -R jenkins:jenkins /usr/local/flutter



ENV ANDROID_SDK_ZIP commandlinetools-linux-6200805_latest.zip
ENV ANDROID_SDK_ZIP_URL https://dl.google.com/android/repository/$ANDROID_SDK_ZIP
ENV ANDROID_HOME /opt/android-sdk-linux

ENV GRADLE_ZIP gradle-5.6.4-bin.zip
ENV GRADLE_ZIP_URL https://services.gradle.org/distributions/$GRADLE_ZIP

ENV PATH $PATH:$ANDROID_HOME/tools/bin
ENV PATH $PATH:$ANDROID_HOME/platform-tools
ENV PATH $PATH:/opt/gradle-5.6.4/bin


## Install Docker requirements
RUN dpkg --add-architecture i386
RUN rm -rf /var/lib/apt/list/* && apt-get update && apt-get install ca-certificates curl gnupg2 software-properties-common git unzip file apt-utils lxc apt-transport-https -y

## Install Android SDK into Image
ADD $GRADLE_ZIP_URL /opt/
RUN unzip /opt/$GRADLE_ZIP -d /opt/ && rm /opt/$GRADLE_ZIP

ADD $ANDROID_SDK_ZIP_URL /opt/
RUN unzip -q /opt/$ANDROID_SDK_ZIP -d $ANDROID_HOME && rm /opt/$ANDROID_SDK_ZIP

RUN echo y | sdkmanager --sdk_root=${ANDROID_HOME} "build-tools;29.0.2"
RUN echo y | sdkmanager --sdk_root=${ANDROID_HOME} "platforms;android-29"

RUN echo y |sdkmanager --sdk_root=${ANDROID_HOME} "extras;android;m2repository"

RUN chown -R jenkins $ANDROID_HOME

RUN apt-get install libc6:i386 libncurses5:i386 libstdc++6:i386 zlib1g:i386 -y --no-install-recommends

RUN apt-get clean
RUN rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*


## Install Docker-ce into Image
RUN curl -fsSL https://download.docker.com/linux/$(. /etc/os-release; echo "$ID")/gpg > /tmp/dkey;
RUN apt-key add /tmp/dkey
RUN add-apt-repository "deb [arch=amd64] https://download.docker.com/linux/$(. /etc/os-release; echo "$ID") $(lsb_release -cs) stable"
RUN apt-get update && apt-get install docker-ce -y --no-install-recommends
RUN usermod -aG docker jenkins

#Test
RUN docker -v

#Docker Compose
RUN curl -L "https://github.com/docker/compose/releases/download/1.25.4/docker-compose-$(uname -s)-$(uname -m)" -o /usr/local/bin/docker-compose

RUN chmod +x /usr/local/bin/docker-compose

#Test
RUN docker-compose -v


## Install Jenkins plugin	
USER jenkins

RUN /usr/local/bin/install-plugins.sh git gradle ws-cleanup locale


# Running flutter doctor to check if flutter was installed correctly
RUN /usr/local/flutter/bin/flutter doctor -v \
    && rm -rfv /flutter/bin/cache/artifacts/gradle_wrapper

# Setting flutter and dart-sdk to PATH so they are accessible from terminal
ENV PATH="/usr/local/flutter/bin:/usr/local/flutter/bin/cache/dart-sdk/bin:${PATH}"




------------docker-compose.yml-----------------

version: '3.0' # specify docker-compose version
 
services:
 jenkins: # name of the service
  build: . # directory of the Dockerfile
  ports:
  - "8080:8080" 
  - "127.0.0.1:50000:50000" 
  restart: always
  volumes:
  - ../jenkins_local_home:/var/jenkins_home
  - /var/run/docker.sock:/var/run/docker.sock 
  
  
  --------------------------
  
  If issues with flutter build apk,
  
  - Go to docker container
  - RUN flutter doctor
  
  If issues in licenses,
  
  - RUN sdkmanager --sdk_root=${ANDROID_HOME} "tools"
  - flutter doctor --android-licenses
  - flutter doctor
  
  ---- Gradle No Daemon-----
  
  - Go to jenkins_home/.gradle/
  - echo "org.gradle.daemon=false" >> gradle.properties
  
  ---- If docker not accessible in container----
  
  In host machine,
  RUN newgrp docker