EDIT: Change Docker image from CentOS to Ubuntu

Changes Notes: To migratre from CentOS to Ubuntu, the following changes are needed:
- atk -> libatk1.0-0
- gtk -> GTK3 is installed by default REMOVED
- gdk -> libgdk-pixbuf2.0-dev
- xrandr -> x11-xserver-utils
- pango -> libpango-1.0-0
- libXcomposite -> libxcomposite-dev
- libXcursor -> libxcursor-dev
- libXdamage -> libxdamage-dev
- libXext -> libxext-dev
- libXi -> libxi-dev
- libXtst -> libxtst-dev
- libXScrnSaver -> libxss-dev
- libXrandr -> libxrandr-dev
- GConf2 -> libgconf2-4
- alsa-lib -> libasound2
- gtk3 -> GTK3 is installed by default REMOVED
- ipa-gothic-fonts -> fonts-ipafont-gothic
- xorg-x11-fonts-100dpi -> xfonts-100dpi
- xorg-x11-fonts-75dpi -> xfonts-75dpi
- xorg-x11-utils -> x11-utils
- xorg-x11-fonts-cyrillic -> xfonts-cyrillic
- xorg-x11-fonts-Type1 -> GET at xfonts-base
- xorg-x11-fonts-misc ->  xfonts-base

dev-tools/packaging/packages.yml

@@ -475,8 +475,8 @@ shared:
   - &agent_docker_spec
     <<: *agent_binary_spec
     extra_vars:
-      from: 'centos:7'
-      buildFrom: 'centos:7'
+      from: 'ubuntu:20.04'
+      buildFrom: 'ubuntu:20.04'
       dockerfile: 'Dockerfile.elastic-agent.tmpl'
       docker_entrypoint: 'docker-entrypoint.elastic-agent.tmpl'
       user: '{{ .BeatName }}'
@@ -495,8 +495,8 @@ shared:
   - &agent_docker_arm_spec
     <<: *agent_docker_spec
     extra_vars:
-      from: 'arm64v8/centos:7'
-      buildFrom: 'arm64v8/centos:7'
+      from: 'arm64v8/ubuntu:20.04'
+      buildFrom: 'arm64v8/ubuntu:20.04'
 
   - &agent_docker_cloud_spec
     <<: *agent_docker_spec
@@ -653,8 +653,8 @@ shared:
   - &docker_spec
     <<: *binary_spec
     extra_vars:
-      from: 'centos:7'
-      buildFrom: 'centos:7'
+      from: 'ubuntu:20.04'
+      buildFrom: 'ubuntu:20.04'
       user: '{{ .BeatName }}'
       linux_capabilities: ''
     files:
@@ -666,8 +666,8 @@ shared:
   - &docker_arm_spec
     <<: *docker_spec
     extra_vars:
-      from: 'arm64v8/centos:7'
-      buildFrom: 'arm64v8/centos:7'
+      from: 'arm64v8/ubuntu:20.04'
+      buildFrom: 'arm64v8/ubuntu:20.04'
 
   - &docker_ubi_spec
     extra_vars:

dev-tools/packaging/templates/docker/Dockerfile.elastic-agent.tmpl

@@ -43,26 +43,47 @@ ENV BEAT_SETUID_AS={{ .user }}
 RUN for iter in {1..10}; do microdnf update -y && microdnf install -y shadow-utils jq &&  microdnf clean all && exit_code=0 && break || exit_code=$? && echo "microdnf error: retry $iter in 10s" && sleep 10; done; (exit $exit_code)
 {{- else }}
 # Installing jq needs to be installed after epel-release and cannot be in the same yum install command.
-RUN case $(arch) in aarch64) YUM_FLAGS="-x bind-license";; esac; \
-    for iter in {1..10}; do \
-        yum update -y $YUM_FLAGS && \
-        yum install -y epel-release &&  \
-        yum update -y $YUM_FLAGS && \
-        yum install -y jq && \
-        yum clean all && \
-        exit_code=0 && break || exit_code=$? && echo "yum error: retry $iter in 10s" && sleep 10; \
+RUN for iter in {1..10}; do \
+        apt update -y && \
+        apt install --no-install-recommends --yes jq && \
+        apt clean all && \
+        exit_code=0 && break || exit_code=$? && echo "apt error: retry $iter in 10s" && sleep 10; \
     done; \
     (exit $exit_code)
 {{- end }}
 
+## Changes Notes: To migratre from CentOS to Ubuntu, the following changes are needed:
+# atk -> libatk1.0-0
+# gtk -> GTK3 is installed by default REMOVED
+# gdk -> libgdk-pixbuf2.0-dev
+# xrandr -> x11-xserver-utils
+# pango -> libpango-1.0-0
+# libXcomposite -> libxcomposite-dev
+# libXcursor -> libxcursor-dev
+# libXdamage -> libxdamage-dev
+# libXext -> libxext-dev 
+# libXi -> libxi-dev
+# libXtst -> libxtst-dev
+# libXScrnSaver -> libxss-dev
+# libXrandr -> libxrandr-dev
+# GConf2 -> libgconf2-4
+# alsa-lib -> libasound2
+# gtk3 -> GTK3 is installed by default REMOVED
+# ipa-gothic-fonts -> fonts-ipafont-gothic
+# xorg-x11-fonts-100dpi -> xfonts-100dpi
+# xorg-x11-fonts-75dpi -> xfonts-75dpi
+# xorg-x11-utils -> x11-utils
+# xorg-x11-fonts-cyrillic -> xfonts-cyrillic
+# xorg-x11-fonts-Type1 -> GET at xfonts-base
+# xorg-x11-fonts-misc ->  xfonts-base
 {{- if (and (contains .image_name "-complete") (not (contains .from "ubi-minimal"))) }}
-RUN for iter in {1..10}; do \
-        yum -y install atk gtk gdk xrandr pango libXcomposite libXcursor libXdamage \
-        libXext libXi libXtst libXScrnSaver libXrandr GConf2 \
-        alsa-lib atk gtk3 ipa-gothic-fonts xorg-x11-fonts-100dpi xorg-x11-fonts-75dpi xorg-x11-utils \
-        xorg-x11-fonts-cyrillic xorg-x11-fonts-Type1 xorg-x11-fonts-misc \
-        yum clean all && \
-        exit_code=0 && break || exit_code=$? && echo "yum error: retry $iter in 10s" && sleep 10; \
+RUN apt update -y && \
+    for iter in {1..10}; do \
+        apt install --no-install-recommends --yes libatk1.0-0 libgdk-pixbuf2.0-dev x11-xserver-utils libpango-1.0-0 libxcomposite-dev libxcursor-dev libxdamage-dev \
+        libxext-dev  libxi-dev libxtst-dev libxss-dev libxrandr-dev gconf2 \
+        libasound2 fonts-ipafont-gothic  xfonts-100dpi xfonts-75dpi xfonts-cyrillic xfonts-scalable  xfonts-base  x11-utils &&\
+        apt clean all && \
+        exit_code=0 && break || exit_code=$? && echo "apt error: retry $iter in 10s" && sleep 10; \
     done; \
     (exit $exit_code)
 ENV NODE_PATH={{ $beatHome }}/.node