docker-build-script

build.sh

#!/bin/bash

# Check if docker is installed otherwise refuse to continue
if [ -d "/usr/bin/docker" ]; then
  echo "Docker is already installed"
else
  echo "Docker is not installed. Please install Docker and try again."
  exit 1
fi

# Check if the file build_info.json exists and if it does, read it
if [ -f "build_info.json" ]; then
  echo "build_info.json exists"
  BUILD_INFO=$(cat build_info.json)
else
  # Ask for app name
  echo "What is the name of your app?"
  read -p "Enter the apps name: " NEW_NAME

  # Create build_info.json and write the app name to it
  echo "Creating build_info.json"
  echo "{\"name\": \"$NEW_NAME\"}" > build_info.json

  echo "build_info.json does not exist"
  BUILD_INFO="{}"
fi

# Get the last build version and date from the build_info.json file
APP_NAME=$(echo $BUILD_INFO | jq -r '.name')
LAST_BUILD_VERSION=$(echo $BUILD_INFO | jq -r '.last_build_version')
LAST_BUILD_DATE=$(echo $BUILD_INFO | jq -r '.last_build_date')
LAST_BUILD_TYPE=$(echo $BUILD_INFO | jq -r '.last_build_type')

# Get the current date and time
CURRENT_DATE=$(date +%Y-%m-%d)
CURRENT_TIME=$(date +%H:%M:%S)

# Display the last build version and date
echo "APP_NAME: $APP_NAME"
echo "Last build version: $LAST_BUILD_VERSION"
echo "Last build date: $LAST_BUILD_DATE"
echo "Last build type: $LAST_BUILD_TYPE"

# Asks if the user wants to build a new version
read -p "Do you want to build a new version? (y/n) " -n 1 -r
echo
if [[ $REPLY =~ ^[Yy]$ ]]
then
  # Get the new version number
  read -p "Enter the new version number: " NEW_VERSION
  echo "New version: $NEW_VERSION"

  # Get the new build type
  read -p "Enter the new build type: " NEW_BUILD_TYPE
  echo "New build type: $NEW_BUILD_TYPE"

  # Get a short description of the changes
  read -p "Enter a short description of the changes: " NEW_BUILD_DESCRIPTION
  echo "New build description: $NEW_BUILD_DESCRIPTION"

  # Build the new version
  echo "Building the new version"
  docker build -t "$APP_NAME:$NEW_VERSION" --build-arg BUILD_TYPE="$NEW_BUILD_TYPE" .

  # Tag the new version
  echo "Tagging the new version"
  docker tag "$APP_NAME:$NEW_VERSION" "myapp:latest"

  # Push the new version
  echo "Pushing the new version"
  docker push "$APP_NAME:$NEW_VERSION"
  docker push "$APP_NAME:latest"

  # Update the build_info.json file
  echo "Updating build_info.json"
  echo "{\"name\": \"$APP_NAME\", \"last_build_version\": \"$NEW_VERSION\", \"last_build_date\": \"$CURRENT_DATE\", \"last_build_time\": \"$CURRENT_TIME\", \"last_build_type\": \"$NEW_BUILD_TYPE\", \"last_build_description\": \"$NEW_BUILD_DESCRIPTION\"}" > build_info.json
else
  echo "No new version will be built"
fi