Migrate to UBI8 base image

build/Dockerfile

@@ -1,11 +1,12 @@
 # --- Build the bridge
-FROM centos:8 AS builder
+FROM registry.access.redhat.com/ubi8 AS builder
 
-RUN yum install epel-release -y && \
-        yum update -y --setopt=tsflags=nodocs && \
-        yum install qpid-proton-c-devel --setopt=tsflags=nodocs -y && \
+# dependencies for qpid-proton-c
+COPY build/repos/opstools.repo /etc/yum.repos.d/opstools.repo
+
+RUN dnf install qpid-proton-c-devel --setopt=tsflags=nodocs -y && \
         dnf install gcc make -y && \
-        yum clean all
+        dnf clean all
 
 ENV D=/home/bridge
 
@@ -16,18 +17,18 @@ RUN     make && \
         mv bridge /tmp/
 
 # --- end build, create bridge runtime layer ---
-FROM centos:8
+FROM registry.access.redhat.com/ubi8
 
-LABEL io.k8s.display-name="SmartGateway AMQP Bridge" \
-      io.k8s.description="Reads data from AMQP via proton and writes to a unix or UDP socket"
+# dependencies for qpid-proton-c
+COPY build/repos/opstools.repo /etc/yum.repos.d/opstools.repo
 
-RUN yum install epel-release -y && \
-        yum update -y --setopt=tsflags=nodocs && \
-        yum install qpid-proton-c --setopt=tsflags=nodocs -y && \
-        yum clean all && \
+RUN dnf install qpid-proton-c --setopt=tsflags=nodocs -y && \
+        dnf clean all && \
         rm -rf /var/cache/yum
 
 COPY --from=builder /tmp/bridge /
 
 ENTRYPOINT ["/bridge"]
 
+LABEL io.k8s.display-name="SmartGateway AMQP Bridge" \
+      io.k8s.description="Reads data from AMQP via proton and writes to a unix or UDP socket"

build/repos/opstools.repo

@@ -0,0 +1,6 @@
+[centos-opstools]
+name=opstools
+baseurl=http://mirror.centos.org/centos/8/opstools/$basearch/collectd-5/
+gpgcheck=0
+enabled=1
+module_hotfixes=1