Merge pull request #243 from awszhen/codebuild

Update mono install commands and remove dirmngr for AmazonLinux2 stan…

al2/x86_64/standard/1.0/Dockerfile

@@ -32,8 +32,7 @@ ENV DOCKER_BUCKET="download.docker.com" \
     GITVERSION_VERSION="4.0.0" \
     DEBIAN_FRONTEND="noninteractive" \
     SRC_DIR="/usr/src" \
-    EPEL_REPO="https://dl.fedoraproject.org/pub/epel/epel-release-latest-7.noarch.rpm" \
-    TRINITY_REPO="https://mirror.ppa.trinitydesktop.org/trinity/trinity/rpm/el7/trinity-r14/RPMS/noarch/trinity-repo-14.0.5-1.el7.noarch.rpm"
+    EPEL_REPO="https://dl.fedoraproject.org/pub/epel/epel-release-latest-7.noarch.rpm"
 
 # Install git, SSH, and other utilities
 RUN set -ex \
@@ -43,13 +42,13 @@ RUN set -ex \
     && ssh-keyscan -t rsa,dsa -H github.com >> ~/.ssh/known_hosts \
     && ssh-keyscan -t rsa,dsa -H bitbucket.org >> ~/.ssh/known_hosts \
     && chmod 600 ~/.ssh/known_hosts \
-    && yum install -y $EPEL_REPO $TRINITY_REPO \
-    && rpm --import "https://keyserver.ubuntu.com/pks/lookup?op=get&search=0x3FA7E0328081BFF6A14DA29AA6A19B38D3D831EF" \
+    && yum install -y $EPEL_REPO \
+    && rpm --import https://download.mono-project.com/repo/xamarin.gpg \
     && curl https://download.mono-project.com/repo/centos7-stable.repo | tee /etc/yum.repos.d/mono-centos7-stable.repo \
     && amazon-linux-extras enable corretto8 \
     && yum groupinstall -y "Development tools" \
     && yum install -y wget fakeroot jq \
-       dirmngr bzr mercurial procps-ng \
+       bzr mercurial procps-ng \
        ImageMagick \
        openssl-devel libdb-devel \
        libevent-devel libffi-devel GeoIP-devel glib2-devel \