ec2 image build step to install tomcat 9

build.yaml

name: "Tomcat 9"
description: "Install tomcat 9 from tar via apache US mirror"
schemaVersion: 1.0

phases:
  - name: build
    steps:
      - name: install
        action: ExecuteBash
        inputs:
          commands:
            - |
              TOMCAT_VERSION="9.0.30"
              JAVA_VERSION="1.8.0"
              INSTALL_DIR="/tomcat"
              USER="tomcat"
              USERID="1001"
              GROUPID="1001"
              
              # Update sources & packages
              sudo yum update -y && \
              sudo yum upgrade -y
              # Install JRE
              sudo yum install -y "java-${JAVA_VERSION}-openjdk-headless.x86_64"
              # Add non-root user
              sudo groupadd --gid "$GROUPID" "$USER" && \
                  sudo adduser \
                  --comment "" \
                  --home "$INSTALL_DIR" \
                  --gid "$GROUPID" \
                  --no-create-home \
                  --uid "$USERID" \
                  "$USER"
              # Download tomcat
              sudo wget -qO- "https://www-us.apache.org/dist/tomcat/tomcat-9/v${TOMCAT_VERSION}/bin/apache-tomcat-${TOMCAT_VERSION}.tar.gz" | sudo tar xvz -C /
              # Change Permissions
              sudo chown -R "$USERID":"$GROUPID" "/apache-tomcat-${TOMCAT_VERSION}"
              sudo ln -sf "/apache-tomcat-${TOMCAT_VERSION}" "$INSTALL_DIR"