feat: add new init container images

Adds init-sh and init-bash which are minimalist images
These can be useful for small init containers

Signed-off-by: Tiago Castro <[email protected]>

Makefile

@@ -27,7 +27,7 @@ ifeq (${IMAGE_ORG}, )
 endif
 
 ifeq (${DIMAGES}, )
-  DIMAGES:=linux-utils
+  DIMAGES:=linux-utils alpine-sh alpine-bash
   export DIMAGES
 endif
 
@@ -77,6 +77,13 @@ test:
 	@sudo docker run --rm "$$IMAGE_ORG/linux-utils:ci" which mkdir
 	@sudo docker run --rm "$$IMAGE_ORG/linux-utils:ci" which rm
 	@sudo docker run --rm "$$IMAGE_ORG/linux-utils:ci" which wipefs
+	@sudo docker run --rm "$$IMAGE_ORG/alpine-sh:ci" which /bin/sh
+	@sudo docker run --rm "$$IMAGE_ORG/alpine-sh:ci" which nc
+	@sudo docker run --rm "$$IMAGE_ORG/alpine-sh:ci" which chown
+	@sudo docker run --rm "$$IMAGE_ORG/alpine-bash:ci" which /bin/sh
+	@sudo docker run --rm "$$IMAGE_ORG/alpine-bash:ci" which /bin/bash
+	@sudo docker run --rm "$$IMAGE_ORG/alpine-bash:ci" which nc
+	@sudo docker run --rm "$$IMAGE_ORG/alpine-bash:ci" which chown
 
 .PHONY: clobber
 clobber:

dockerfiles/alpine-bash/Dockerfile

@@ -0,0 +1,14 @@
+FROM alpine:3.20.1
+
+RUN apk add --no-cache bash
+
+ARG DBUILD_DATE
+ARG DBUILD_REPO_URL="https://github.com/openebs/linux-utils"
+ARG DBUILD_SITE_URL="https://www.openebs.io/"
+
+LABEL org.label-schema.schema-version="1.0"
+LABEL org.label-schema.name="linux-utils"
+LABEL org.label-schema.description="Linux Container for OpenEBS Helper jobs"
+LABEL org.label-schema.build-date=$DBUILD_DATE
+LABEL org.label-schema.vcs-url=$DBUILD_REPO_URL
+LABEL org.label-schema.url=$DBUILD_SITE_URL

dockerfiles/alpine-sh/Dockerfile

@@ -0,0 +1,12 @@
+FROM alpine:3.20.1
+
+ARG DBUILD_DATE
+ARG DBUILD_REPO_URL="https://github.com/openebs/linux-utils"
+ARG DBUILD_SITE_URL="https://www.openebs.io/"
+
+LABEL org.label-schema.schema-version="1.0"
+LABEL org.label-schema.name="linux-utils"
+LABEL org.label-schema.description="Linux Container for OpenEBS Helper jobs"
+LABEL org.label-schema.build-date=$DBUILD_DATE
+LABEL org.label-schema.vcs-url=$DBUILD_REPO_URL
+LABEL org.label-schema.url=$DBUILD_SITE_URL