chore: updated agent base image to Alpine 3.12

Author: carlosroman

build/container/Dockerfile

@@ -1,4 +1,4 @@
-ARG base_image=alpine:3.11
+ARG base_image=alpine:3.12
 
 FROM $base_image AS core
 
@@ -27,7 +27,7 @@ ENV NRIA_IS_CONTAINERIZED true
 ENV NRIA_OVERRIDE_HOST_ROOT /host
 
 RUN apk add --no-cache --upgrade \
-    ca-certificates \
+    ca-certificates=20191127-r4 \
     # Embed required dlls:
     # ldd /usr/bin/newrelic-infra
     #   /lib64/ld-linux-x86-64.so.2 (0x7f2bbbd0f000)
@@ -36,7 +36,7 @@ RUN apk add --no-cache --upgrade \
     # As musl and glibc are compatible, this symlink fixes the missing dependency
     && mkdir /lib64 \
     && ln -s /lib/libc.musl-x86_64.so.1 /lib64/ld-linux-x86-64.so.2 \
-    && apk add --no-cache tini
+    && apk add --no-cache tini=0.19.0-r0
 
 # Tini is now available at /sbin/tini
 ENTRYPOINT ["/sbin/tini", "--"]
@@ -54,7 +54,8 @@ ARG nri_flex_version
 LABEL com.newrelic.nri-docker.version=$nri_docker_version \
       com.newrelic.nri-flex.version=$nri_flex_version
 
-RUN apk add --no-cache ntpsec=1.1.8-r0
-RUN apk add --no-cache curl=7.67.0-r0
+RUN apk add --no-cache \
+        ntpsec=1.1.8-r0 \
+        curl=7.69.1-r0
 
 COPY $nri_pkg_dir /

build/container/Makefile

@@ -84,13 +84,6 @@ build/base :
 	-f ${DOCKERFILE} \
 	${INFRASTRUCTURE_WORKSPACE})
 
-# publish to container fabric
-.PHONY : publish-cf/base
-publish-cf/base : build/base
-publish-cf/base :
-	@(docker push cf-registry.nr-ops.net/infrastructure/newrelic-infrastructure:${IMAGE_VERSION})
-	@(docker push cf-registry.nr-ops.net/infrastructure/newrelic-infrastructure:latest)
-
 # publish to docker hub
 .PHONY : publish/base
 publish/base : build/base