From 51b609d4075a301fdd83fdc54b33a4436abc868b Mon Sep 17 00:00:00 2001
From: "Balasankar \"Balu\" C" <balasankar@gitlab.com>
Date: Tue, 3 Jan 2023 22:14:51 +0530
Subject: [PATCH] Remove obsolete omnibus-gitlab OS images

Signed-off-by: Balasankar "Balu" C <balasankar@gitlab.com>
---
 .gitlab/ci/custom.images.yml              | 48 -----------------
 Dockerfile.omnibus-gitlab-amazonlinux2    | 22 --------
 Dockerfile.omnibus-gitlab-amazonlinux2022 | 64 -----------------------
 Dockerfile.omnibus-gitlab-bionic          | 22 --------
 Dockerfile.omnibus-gitlab-bullseye        | 25 ---------
 Dockerfile.omnibus-gitlab-buster          | 25 ---------
 Dockerfile.omnibus-gitlab-centos7         | 24 ---------
 Dockerfile.omnibus-gitlab-centos8         | 27 ----------
 Dockerfile.omnibus-gitlab-focal           | 22 --------
 Dockerfile.omnibus-gitlab-jammy           | 40 --------------
 Dockerfile.omnibus-gitlab-jessie          | 24 ---------
 Dockerfile.omnibus-gitlab-opensuse15.1    | 23 --------
 Dockerfile.omnibus-gitlab-opensuse15.2    | 23 --------
 Dockerfile.omnibus-gitlab-opensuse15.3    | 23 --------
 Dockerfile.omnibus-gitlab-opensuse15.4    | 45 ----------------
 Dockerfile.omnibus-gitlab-stretch         | 25 ---------
 Dockerfile.omnibus-gitlab-wheezy          | 24 ---------
 Dockerfile.omnibus-gitlab-xenial          | 22 --------
 18 files changed, 528 deletions(-)
 delete mode 100644 Dockerfile.omnibus-gitlab-amazonlinux2
 delete mode 100644 Dockerfile.omnibus-gitlab-amazonlinux2022
 delete mode 100644 Dockerfile.omnibus-gitlab-bionic
 delete mode 100644 Dockerfile.omnibus-gitlab-bullseye
 delete mode 100644 Dockerfile.omnibus-gitlab-buster
 delete mode 100644 Dockerfile.omnibus-gitlab-centos7
 delete mode 100644 Dockerfile.omnibus-gitlab-centos8
 delete mode 100644 Dockerfile.omnibus-gitlab-focal
 delete mode 100644 Dockerfile.omnibus-gitlab-jammy
 delete mode 100644 Dockerfile.omnibus-gitlab-jessie
 delete mode 100644 Dockerfile.omnibus-gitlab-opensuse15.1
 delete mode 100644 Dockerfile.omnibus-gitlab-opensuse15.2
 delete mode 100644 Dockerfile.omnibus-gitlab-opensuse15.3
 delete mode 100644 Dockerfile.omnibus-gitlab-opensuse15.4
 delete mode 100644 Dockerfile.omnibus-gitlab-stretch
 delete mode 100644 Dockerfile.omnibus-gitlab-wheezy
 delete mode 100644 Dockerfile.omnibus-gitlab-xenial

diff --git a/.gitlab/ci/custom.images.yml b/.gitlab/ci/custom.images.yml
index aacf41c..63c638e 100644
--- a/.gitlab/ci/custom.images.yml
+++ b/.gitlab/ci/custom.images.yml
@@ -31,54 +31,6 @@ gitlab-vscode-nodeless:
 kaniko:
   extends: .build_and_deploy
 
-omnibus-gitlab-bionic:
-  extends: .build_and_deploy
-
-omnibus-gitlab-centos7:
-  extends: .build_and_deploy
-
-omnibus-gitlab-centos8:
-  extends: .build_and_deploy
-
-omnibus-gitlab-jessie:
-  extends: .build_and_deploy
-
-omnibus-gitlab-opensuse15.1:
-  extends: .build_and_deploy
-
-omnibus-gitlab-opensuse15.2:
-  extends: .build_and_deploy
-
-omnibus-gitlab-opensuse15.3:
-  extends: .build_and_deploy
-
-omnibus-gitlab-opensuse15.4:
-  extends: .build_and_deploy
-
-omnibus-gitlab-stretch:
-  extends: .build_and_deploy
-
-omnibus-gitlab-buster:
-  extends: .build_and_deploy
-
-omnibus-gitlab-bullseye:
-  extends: .build_and_deploy
-
-omnibus-gitlab-xenial:
-  extends: .build_and_deploy
-
-omnibus-gitlab-focal:
-  extends: .build_and_deploy
-
-omnibus-gitlab-jammy:
-  extends: .build_and_deploy
-
-omnibus-gitlab-amazonlinux2:
-  extends: .build_and_deploy
-
-omnibus-gitlab-amazonlinux2022:
-  extends: .build_and_deploy
-
 omnibus-gitlab-depscan:
   extends: .build_and_deploy
 
diff --git a/Dockerfile.omnibus-gitlab-amazonlinux2 b/Dockerfile.omnibus-gitlab-amazonlinux2
deleted file mode 100644
index 25c9b99..0000000
--- a/Dockerfile.omnibus-gitlab-amazonlinux2
+++ /dev/null
@@ -1,22 +0,0 @@
-FROM amazonlinux:2 as builder
-
-RUN yum update -y -q \
-  && yum groupinstall -y "Development Tools" \
-  && yum install -y \
-        gcc gcc-c++ git make curl zlib-devel openssl-devel glibc-locale-source hostname \
-  && yum clean all
-
-ENV LANG C.UTF-8
-ENV LC_ALL C.UTF-8
-RUN localedef -c -f UTF-8 -i C C.UTF-8
-
-ENV RUBY_VERSION 2.7.5
-RUN curl -fsSL "https://cache.ruby-lang.org/pub/ruby/2.7/ruby-${RUBY_VERSION}.tar.gz" \
-  | tar -xzC /tmp \
-  && cd "/tmp/ruby-${RUBY_VERSION}" \
-  && ./configure --disable-install-rdoc --disable-install-doc --disable-install-capi\
-  && make \
-  && make install \
-  && cd / \
-  && rm -rf "/tmp/ruby-${RUBY_VERSION}" \
-  && gem install bundler --no-document --version 2.2.33
diff --git a/Dockerfile.omnibus-gitlab-amazonlinux2022 b/Dockerfile.omnibus-gitlab-amazonlinux2022
deleted file mode 100644
index 36a2482..0000000
--- a/Dockerfile.omnibus-gitlab-amazonlinux2022
+++ /dev/null
@@ -1,64 +0,0 @@
-FROM amazonlinux:2022 as builder-base
-
-RUN yum update -y -q \
-  && yum groupinstall -y "Development Tools" \
-  && yum install -y --allowerasing \
-        gcc gcc-c++ git make curl zlib-devel glibc-locale-source hostname \
-  && yum clean all
-ENV LANG C.UTF-8
-ENV LC_ALL C.UTF-8
-RUN localedef -c -f UTF-8 -i C C.UTF-8
-
-
-FROM builder-base as builder-openssl
-
-RUN yum install -y perl-FindBin
-
-ENV OPENSSL_VERSION 1.1.1q
-RUN curl -fsSL "https://www.openssl.org/source/openssl-${OPENSSL_VERSION}.tar.gz" | tar -xzC /tmp
-WORKDIR /tmp/openssl-${OPENSSL_VERSION}
-RUN ./config --prefix=/usr/local/openssl --openssldir=/usr/local/openssl shared zlib 
-RUN make 
-ENV DESTDIR=/tmp/openssl-install
-RUN mkdir -p ${DESTDIR}
-RUN make DESTDIR=${DESTDIR} INSTALL_PREFIX=${DESTDIR} install
-WORKDIR / 
-RUN rm -rf ${DESTDIR}/usr/local/openssl/certs \
-    && ln -s /etc/ssl/certs ${DESTDIR}/usr/local/openssl/
-
-FROM builder-base as builder-ruby
-
-COPY --from=builder-openssl /tmp/openssl-install /
-
-RUN yum install -y gdbm-devel readline-devel
-
-ENV RUBY_VERSION 2.7.5
-RUN curl -fsSL "https://cache.ruby-lang.org/pub/ruby/2.7/ruby-${RUBY_VERSION}.tar.gz" \
-  | tar -xzC /tmp 
-WORKDIR /tmp/ruby-${RUBY_VERSION}
-
-RUN ./configure --disable-install-rdoc --disable-install-doc --disable-install-capi --with-openssl-dir=/usr/local/openssl
-RUN make 
-RUN mkdir /tmp/ruby-install
-RUN make DESTDIR=/tmp/ruby-install install 
-RUN mkdir -p /tmp/ruby-install/etc/ld.so.conf.d/ \
-  && echo "/usr/local/openssl/lib" > /tmp/ruby-install/etc/ld.so.conf.d/openssl-local.conf
-RUN mkdir -p /tmp/ruby-install/etc/profile.d \
-  && echo "PATH=\${PATH}:/usr/local/openssl/bin" > /tmp/ruby-install/etc/profile.d/openssl-local.sh
-WORKDIR / 
-
-FROM builder-base as builder-assemble
-
-COPY --from=builder-openssl /tmp/openssl-install/ /
-RUN rm -rf /usr/local/openssl/certs \
-    && ln -sf /etc/ssl/certs /usr/local/openssl/certs \
-    && ln -sf /etc/ssl/cert.pem /usr/local/openssl/cert.pem
-
-COPY --from=builder-ruby /tmp/ruby-install/ /
-RUN ldconfig -f /etc/ld.so.conf
-ENV PATH=${PATH}:/usr/local/openssl/bin
-RUN gem install bundler --no-document --version 2.2.33
-
-FROM builder-base 
-ENV PATH=${PATH}:/usr/local/openssl/bin
-COPY --from=builder-assemble / / 
diff --git a/Dockerfile.omnibus-gitlab-bionic b/Dockerfile.omnibus-gitlab-bionic
deleted file mode 100644
index ec14538..0000000
--- a/Dockerfile.omnibus-gitlab-bionic
+++ /dev/null
@@ -1,22 +0,0 @@
-FROM ubuntu:18.04
-
-RUN apt-get update -q \
-        && apt-get install -y g++ gcc git make curl zlib1g-dev libssl-dev locales \
-        && apt-get autoremove -yq \
-        && apt-get clean -yqq \
-        && rm -rf /var/lib/apt/lists/*
-
-ENV LANG C.UTF-8
-ENV LANGUAGE C
-ENV LC_ALL C.UTF-8
-
-ENV RUBY_VERSION 2.7.5
-RUN curl -fsSL "https://cache.ruby-lang.org/pub/ruby/2.7/ruby-${RUBY_VERSION}.tar.gz" \
-  | tar -xzC /tmp \
-  && cd "/tmp/ruby-${RUBY_VERSION}" \
-  && ./configure --disable-install-rdoc --disable-install-doc --disable-install-capi\
-  && make \
-  && make install \
-  && cd / \
-  && rm -rf "/tmp/ruby-${RUBY_VERSION}" \
-  && gem install bundler --no-document --version 2.2.33
diff --git a/Dockerfile.omnibus-gitlab-bullseye b/Dockerfile.omnibus-gitlab-bullseye
deleted file mode 100644
index f5297a9..0000000
--- a/Dockerfile.omnibus-gitlab-bullseye
+++ /dev/null
@@ -1,25 +0,0 @@
-FROM debian:bullseye
-
-RUN apt-get update -q \
-        && apt-get install -y g++ gcc git make curl zlib1g-dev libssl-dev locales \
-        && apt-get autoremove -yq \
-        && apt-get clean -yqq \
-        && rm -rf /var/lib/apt/lists/*
-
-RUN echo "en_US.UTF-8 UTF-8" > /etc/locale.gen
-RUN locale-gen en_US.UTF-8
-ENV LANG en_US.UTF-8
-ENV LANGUAGE en_US:en
-ENV LC_ALL en_US.UTF-8
-
-
-ENV RUBY_VERSION 2.7.5
-RUN curl -fsSL "https://cache.ruby-lang.org/pub/ruby/2.7/ruby-${RUBY_VERSION}.tar.gz" \
-  | tar -xzC /tmp \
-  && cd "/tmp/ruby-${RUBY_VERSION}" \
-  && ./configure --disable-install-rdoc --disable-install-doc --disable-install-capi\
-  && make \
-  && make install \
-  && cd / \
-  && rm -rf "/tmp/ruby-${RUBY_VERSION}" \
-  && gem install bundler --no-document --version 2.2.33
diff --git a/Dockerfile.omnibus-gitlab-buster b/Dockerfile.omnibus-gitlab-buster
deleted file mode 100644
index 660661a..0000000
--- a/Dockerfile.omnibus-gitlab-buster
+++ /dev/null
@@ -1,25 +0,0 @@
-FROM debian:buster
-
-RUN apt-get update -q \
-        && apt-get install -y g++ gcc git make curl zlib1g-dev libssl-dev locales \
-        && apt-get autoremove -yq \
-        && apt-get clean -yqq \
-        && rm -rf /var/lib/apt/lists/*
-
-RUN echo "C.UTF-8 UTF-8" > /etc/locale.gen
-RUN locale-gen C.UTF-8
-ENV LANG C.UTF-8
-ENV LANGUAGE C
-ENV LC_ALL C.UTF-8
-
-
-ENV RUBY_VERSION 2.7.5
-RUN curl -fsSL "https://cache.ruby-lang.org/pub/ruby/2.7/ruby-${RUBY_VERSION}.tar.gz" \
-  | tar -xzC /tmp \
-  && cd "/tmp/ruby-${RUBY_VERSION}" \
-  && ./configure --disable-install-rdoc --disable-install-doc --disable-install-capi\
-  && make \
-  && make install \
-  && cd / \
-  && rm -rf "/tmp/ruby-${RUBY_VERSION}" \
-  && gem install bundler --no-document --version 2.2.33
diff --git a/Dockerfile.omnibus-gitlab-centos7 b/Dockerfile.omnibus-gitlab-centos7
deleted file mode 100644
index 6568929..0000000
--- a/Dockerfile.omnibus-gitlab-centos7
+++ /dev/null
@@ -1,24 +0,0 @@
-FROM centos:centos7
-
-RUN yum update -y -q \
-  && yum groupinstall -y Development Tools \
-  && yum install -y \
-        gcc gcc-c++ git make curl zlib-devel openssl-devel \
-  && yum clean all
-
-# it seems C.UTF-8 is not available in centos-7
-# https://bugzilla.redhat.com/show_bug.cgi?id=1361965
-ENV LANG en_US.UTF-8
-ENV LC_ALL en_US.UTF-8
-RUN localedef -c -f UTF-8 -i en_US en_US.UTF-8
-
-ENV RUBY_VERSION 2.7.5
-RUN curl -fsSL "https://cache.ruby-lang.org/pub/ruby/2.7/ruby-${RUBY_VERSION}.tar.gz" \
-  | tar -xzC /tmp \
-  && cd "/tmp/ruby-${RUBY_VERSION}" \
-  && ./configure --disable-install-rdoc --disable-install-doc --disable-install-capi\
-  && make \
-  && make install \
-  && cd / \
-  && rm -rf "/tmp/ruby-${RUBY_VERSION}" \
-  && gem install bundler --no-document --version 2.2.33
diff --git a/Dockerfile.omnibus-gitlab-centos8 b/Dockerfile.omnibus-gitlab-centos8
deleted file mode 100644
index 4985dd1..0000000
--- a/Dockerfile.omnibus-gitlab-centos8
+++ /dev/null
@@ -1,27 +0,0 @@
-FROM centos:centos8
-
-# https://techglimpse.com/failed-metadata-repo-appstream-centos-8/
-RUN cd /etc/yum.repos.d/ \
-  && sed -i 's/mirrorlist/#mirrorlist/g' /etc/yum.repos.d/CentOS-* \
-  && sed -i 's|#baseurl=http://mirror.centos.org|baseurl=http://vault.centos.org|g' /etc/yum.repos.d/CentOS-*
-
-RUN yum update -y -q \
-  && yum groupinstall -y "Development Tools" \
-  && yum install -y \
-        gcc gcc-c++ git make curl zlib-devel openssl-devel glibc-locale-source \
-  && yum clean all
-
-ENV LANG C.UTF-8
-ENV LC_ALL C.UTF-8
-RUN localedef -c -f UTF-8 -i C C.UTF-8
-
-ENV RUBY_VERSION 2.7.5
-RUN curl -fsSL "https://cache.ruby-lang.org/pub/ruby/2.7/ruby-${RUBY_VERSION}.tar.gz" \
-  | tar -xzC /tmp \
-  && cd "/tmp/ruby-${RUBY_VERSION}" \
-  && ./configure --disable-install-rdoc --disable-install-doc --disable-install-capi\
-  && make \
-  && make install \
-  && cd / \
-  && rm -rf "/tmp/ruby-${RUBY_VERSION}" \
-  && gem install bundler --no-document --version 2.2.33
diff --git a/Dockerfile.omnibus-gitlab-focal b/Dockerfile.omnibus-gitlab-focal
deleted file mode 100644
index ea28fbf..0000000
--- a/Dockerfile.omnibus-gitlab-focal
+++ /dev/null
@@ -1,22 +0,0 @@
-FROM ubuntu:20.04
-
-RUN apt-get update -q \
-        && apt-get install -y g++ gcc git make curl zlib1g-dev libssl-dev locales \
-        && apt-get autoremove -yq \
-        && apt-get clean -yqq \
-        && rm -rf /var/lib/apt/lists/*
-
-ENV LANG C.UTF-8
-ENV LANGUAGE C
-ENV LC_ALL C.UTF-8
-
-ENV RUBY_VERSION 2.7.5
-RUN curl -fsSL "https://cache.ruby-lang.org/pub/ruby/2.7/ruby-${RUBY_VERSION}.tar.gz" \
-  | tar -xzC /tmp \
-  && cd "/tmp/ruby-${RUBY_VERSION}" \
-  && ./configure --disable-install-rdoc --disable-install-doc --disable-install-capi\
-  && make \
-  && make install \
-  && cd / \
-  && rm -rf "/tmp/ruby-${RUBY_VERSION}" \
-  && gem install bundler --no-document --version 2.2.33
diff --git a/Dockerfile.omnibus-gitlab-jammy b/Dockerfile.omnibus-gitlab-jammy
deleted file mode 100644
index 87d74e6..0000000
--- a/Dockerfile.omnibus-gitlab-jammy
+++ /dev/null
@@ -1,40 +0,0 @@
-FROM ubuntu:22.04
-
-RUN apt-get update -q \
-        && apt-get install -y g++ gcc git make curl zlib1g-dev libssl-dev locales \
-        && apt-get autoremove -yq \
-        && apt-get clean -yqq \
-        && rm -rf /var/lib/apt/lists/*
-
-ENV LANG C.UTF-8
-ENV LANGUAGE C
-ENV LC_ALL C.UTF-8
-
-ENV RUBY_VERSION 2.7.5
-
-# Ruby 2.7.x and 3.0.x can not build against OpenSSL 3.0 which is the
-# version with Ubuntu 22.04. This workaround installs OpenSSL 1.1.1q
-# from source and builds.
-#
-# For further details see:
-#   - https://bugs.ruby-lang.org/issues/18658
-#   - https://github.com/rbenv/ruby-build/pull/1974
-
-RUN curl -fsSL "https://www.openssl.org/source/openssl-1.1.1q.tar.gz" | tar -xzC /tmp \
-    && cd /tmp/openssl-1.1.1q \
-    && ./config --prefix=/usr/local/openssl --openssldir=/usr/local/openssl shared zlib \
-    && make \
-    && make install \
-    && cd / \
-    && rm -rf /tmp/openssl-1.1.1q /usr/local/openssl/certs \
-    && ln -s /etc/ssl/certs /usr/local/openssl/
-
-RUN curl -fsSL "https://cache.ruby-lang.org/pub/ruby/2.7/ruby-${RUBY_VERSION}.tar.gz" \
-  | tar -xzC /tmp \
-  && cd "/tmp/ruby-${RUBY_VERSION}" \
-  && ./configure --disable-install-rdoc --disable-install-doc --disable-install-capi --with-openssl-dir=/usr/local/openssl \
-  && make \
-  && make install \
-  && cd / \
-  && rm -rf "/tmp/ruby-${RUBY_VERSION}" \
-  && gem install bundler --no-document --version 2.2.33
diff --git a/Dockerfile.omnibus-gitlab-jessie b/Dockerfile.omnibus-gitlab-jessie
deleted file mode 100644
index 56866aa..0000000
--- a/Dockerfile.omnibus-gitlab-jessie
+++ /dev/null
@@ -1,24 +0,0 @@
-FROM debian:jessie
-
-RUN apt-get update -q \
-        && apt-get install -y g++ gcc git make curl zlib1g-dev libssl-dev locales\
-        && apt-get autoremove -yq \
-        && apt-get clean -yqq \
-        && rm -rf /var/lib/apt/lists/*
-
-RUN echo "C.UTF-8 UTF-8" > /etc/locale.gen
-RUN locale-gen C.UTF-8
-ENV LANG C.UTF-8
-ENV LANGUAGE C
-ENV LC_ALL C.UTF-8
-
-ENV RUBY_VERSION 2.7.5
-RUN curl -fsSL "https://cache.ruby-lang.org/pub/ruby/2.7/ruby-${RUBY_VERSION}.tar.gz" \
-  | tar -xzC /tmp \
-  && cd "/tmp/ruby-${RUBY_VERSION}" \
-  && ./configure --disable-install-rdoc --disable-install-doc --disable-install-capi\
-  && make \
-  && make install \
-  && cd / \
-  && rm -rf "/tmp/ruby-${RUBY_VERSION}" \
-  && gem install bundler --no-document --version 2.2.33
diff --git a/Dockerfile.omnibus-gitlab-opensuse15.1 b/Dockerfile.omnibus-gitlab-opensuse15.1
deleted file mode 100644
index a0650b4..0000000
--- a/Dockerfile.omnibus-gitlab-opensuse15.1
+++ /dev/null
@@ -1,23 +0,0 @@
-FROM opensuse/leap:15.1
-
-RUN zypper -q -n --gpg-auto-import-keys update \
-    && zypper -q -n in -t pattern devel_perl devel_basis \
-    && zypper -q -n install \
-        gcc gcc-c++ git make curl zlib-devel libopenssl-devel glibc-i18ndata glibc-locale hostname \
-    && zypper clean -a
-
-ENV LANG C.UTF-8
-ENV LC_ALL C.UTF-8
-ENV LANGUAGE C
-RUN localedef -i C -f UTF-8 C.UTF-8
-
-ENV RUBY_VERSION 2.7.5
-RUN curl -fsSL "https://cache.ruby-lang.org/pub/ruby/2.7/ruby-${RUBY_VERSION}.tar.gz" \
-  | tar -xzC /tmp \
-  && cd "/tmp/ruby-${RUBY_VERSION}" \
-  && ./configure --disable-install-rdoc --disable-install-doc --disable-install-capi\
-  && make \
-  && make install \
-  && cd / \
-  && rm -rf "/tmp/ruby-${RUBY_VERSION}" \
-  && gem install bundler --no-document --version 2.2.33
diff --git a/Dockerfile.omnibus-gitlab-opensuse15.2 b/Dockerfile.omnibus-gitlab-opensuse15.2
deleted file mode 100644
index 732f422..0000000
--- a/Dockerfile.omnibus-gitlab-opensuse15.2
+++ /dev/null
@@ -1,23 +0,0 @@
-FROM opensuse/leap:15.2
-
-RUN zypper -q -n --gpg-auto-import-keys update \
-    && zypper -q -n in -t pattern devel_perl devel_basis \
-    && zypper -q -n install \
-        gcc gcc-c++ git make curl zlib-devel libopenssl-devel glibc-i18ndata glibc-locale hostname \
-    && zypper clean -a
-
-ENV LANG C.UTF-8
-ENV LC_ALL C.UTF-8
-ENV LANGUAGE C
-RUN localedef -i C -f UTF-8 C.UTF-8
-
-ENV RUBY_VERSION 2.7.5
-RUN curl -fsSL "https://cache.ruby-lang.org/pub/ruby/2.7/ruby-${RUBY_VERSION}.tar.gz" \
-  | tar -xzC /tmp \
-  && cd "/tmp/ruby-${RUBY_VERSION}" \
-  && ./configure --disable-install-rdoc --disable-install-doc --disable-install-capi\
-  && make \
-  && make install \
-  && cd / \
-  && rm -rf "/tmp/ruby-${RUBY_VERSION}" \
-  && gem install bundler --no-document --version 2.2.33
diff --git a/Dockerfile.omnibus-gitlab-opensuse15.3 b/Dockerfile.omnibus-gitlab-opensuse15.3
deleted file mode 100644
index d91308f..0000000
--- a/Dockerfile.omnibus-gitlab-opensuse15.3
+++ /dev/null
@@ -1,23 +0,0 @@
-FROM opensuse/leap:15.3
-
-RUN zypper -q -n --gpg-auto-import-keys update \
-    && zypper -q -n in -t pattern devel_perl devel_basis \
-    && zypper -q -n install \
-        gcc gcc-c++ git make curl zlib-devel libopenssl-devel glibc-i18ndata glibc-locale hostname \
-    && zypper clean -a
-
-ENV LANG C.UTF-8
-ENV LC_ALL C.UTF-8
-ENV LANGUAGE C
-RUN localedef -i C -f UTF-8 C.UTF-8
-
-ENV RUBY_VERSION 2.7.5
-RUN curl -fsSL "https://cache.ruby-lang.org/pub/ruby/2.7/ruby-${RUBY_VERSION}.tar.gz" \
-  | tar -xzC /tmp \
-  && cd "/tmp/ruby-${RUBY_VERSION}" \
-  && ./configure --disable-install-rdoc --disable-install-doc --disable-install-capi\
-  && make \
-  && make install \
-  && cd / \
-  && rm -rf "/tmp/ruby-${RUBY_VERSION}" \
-  && gem install bundler --no-document --version 2.2.33
diff --git a/Dockerfile.omnibus-gitlab-opensuse15.4 b/Dockerfile.omnibus-gitlab-opensuse15.4
deleted file mode 100644
index 5977673..0000000
--- a/Dockerfile.omnibus-gitlab-opensuse15.4
+++ /dev/null
@@ -1,45 +0,0 @@
-FROM opensuse/leap:15.4 as builder-base
-
-RUN zypper -q -n --gpg-auto-import-keys update
-RUN zypper -q -n in -t pattern \
-    devel_basis \
-    devel_perl
-RUN zypper -q -n install \
-        curl \
-        gcc \
-        gcc-c++ \
-        git \
-        glibc-i18ndata \
-        glibc-locale \
-        gzip \
-        hostname \
-        libopenssl-devel \
-        make \
-        zlib-devel
-RUN zypper clean -a
-
-ENV LANG C.UTF-8
-ENV LC_ALL C.UTF-8
-ENV LANGUAGE C
-RUN localedef -i C -f UTF-8 C.UTF-8
-
-
-FROM builder-base as builder-ruby
-
-RUN zypper -q -n install \
-    readline-devel
-ENV RUBY_VERSION 2.7.5
-RUN curl -fsSL "https://cache.ruby-lang.org/pub/ruby/2.7/ruby-${RUBY_VERSION}.tar.gz" \
-  | tar -xzC /tmp
-WORKDIR "/tmp/ruby-${RUBY_VERSION}"
-RUN ./configure --disable-install-rdoc --disable-install-doc --disable-install-capi
-RUN make
-RUN make install
-WORKDIR /
-RUN rm -rf "/tmp/ruby-${RUBY_VERSION}"
-RUN gem install bundler --no-document --version 2.2.33
-
-
-FROM builder-base
-
-COPY --from=builder-ruby /usr/local /usr/local
diff --git a/Dockerfile.omnibus-gitlab-stretch b/Dockerfile.omnibus-gitlab-stretch
deleted file mode 100644
index a955e37..0000000
--- a/Dockerfile.omnibus-gitlab-stretch
+++ /dev/null
@@ -1,25 +0,0 @@
-FROM debian:stretch
-
-RUN apt-get update -q \
-        && apt-get install -y g++ gcc git make curl zlib1g-dev libssl-dev locales \
-        && apt-get autoremove -yq \
-        && apt-get clean -yqq \
-        && rm -rf /var/lib/apt/lists/*
-
-RUN echo "C.UTF-8 UTF-8" > /etc/locale.gen
-RUN locale-gen C.UTF-8
-ENV LANG C.UTF-8
-ENV LANGUAGE C
-ENV LC_ALL C.UTF-8
-
-
-ENV RUBY_VERSION 2.7.5
-RUN curl -fsSL "https://cache.ruby-lang.org/pub/ruby/2.7/ruby-${RUBY_VERSION}.tar.gz" \
-  | tar -xzC /tmp \
-  && cd "/tmp/ruby-${RUBY_VERSION}" \
-  && ./configure --disable-install-rdoc --disable-install-doc --disable-install-capi\
-  && make \
-  && make install \
-  && cd / \
-  && rm -rf "/tmp/ruby-${RUBY_VERSION}" \
-  && gem install bundler --no-document --version 2.2.33
diff --git a/Dockerfile.omnibus-gitlab-wheezy b/Dockerfile.omnibus-gitlab-wheezy
deleted file mode 100644
index 40f7a2c..0000000
--- a/Dockerfile.omnibus-gitlab-wheezy
+++ /dev/null
@@ -1,24 +0,0 @@
-FROM debian:wheezy
-
-RUN apt-get update -q \
-        && apt-get install -y g++ gcc git make libc6-dev curl zlib1g-dev libssl-dev locales \
-        && apt-get autoremove -yq \
-        && apt-get clean -yqq \
-        && rm -rf /var/lib/apt/lists/*
-
-RUN echo "C.UTF-8 UTF-8" > /etc/locale.gen
-RUN locale-gen C.UTF-8
-ENV LANG C.UTF-8
-ENV LANGUAGE C
-ENV LC_ALL C.UTF-8
-
-ENV RUBY_VERSION 2.7.5
-RUN curl -fsSL "https://cache.ruby-lang.org/pub/ruby/2.7/ruby-${RUBY_VERSION}.tar.gz" \
-  | tar -xzC /tmp \
-  && cd "/tmp/ruby-${RUBY_VERSION}" \
-  && ./configure --disable-install-rdoc --disable-install-doc --disable-install-capi\
-  && make \
-  && make install \
-  && cd / \
-  && rm -rf "/tmp/ruby-${RUBY_VERSION}" \
-  && gem install bundler --no-document --version 2.2.33
diff --git a/Dockerfile.omnibus-gitlab-xenial b/Dockerfile.omnibus-gitlab-xenial
deleted file mode 100644
index e221433..0000000
--- a/Dockerfile.omnibus-gitlab-xenial
+++ /dev/null
@@ -1,22 +0,0 @@
-FROM ubuntu:16.04
-
-RUN apt-get update -q \
-        && apt-get install -y g++ gcc git make curl zlib1g-dev libssl-dev locales \
-        && apt-get autoremove -yq \
-        && apt-get clean -yqq \
-        && rm -rf /var/lib/apt/lists/*
-
-ENV LANG C.UTF-8
-ENV LANGUAGE C
-ENV LC_ALL C.UTF-8
-
-ENV RUBY_VERSION 2.7.5
-RUN curl -fsSL "https://cache.ruby-lang.org/pub/ruby/2.7/ruby-${RUBY_VERSION}.tar.gz" \
-  | tar -xzC /tmp \
-  && cd "/tmp/ruby-${RUBY_VERSION}" \
-  && ./configure --disable-install-rdoc --disable-install-doc --disable-install-capi\
-  && make \
-  && make install \
-  && cd / \
-  && rm -rf "/tmp/ruby-${RUBY_VERSION}" \
-  && gem install bundler --no-document --version 2.2.33