add curl to the oCIS OCI image

Dockerfile

@@ -30,10 +30,7 @@ RUN make ci-go-generate build
 
 FROM alpine:3.15
 
-RUN apk update && \
+RUN apk add --no-cache ca-certificates mailcap tree attr curl && \
-	apk upgrade && \
-	apk add ca-certificates mailcap && \
-	rm -rf /var/cache/apk/* && \
 	echo 'hosts: files dns' >| /etc/nsswitch.conf
 
 LABEL maintainer="ownCloud GmbH <devops@owncloud.com>" \

changelog/unreleased/add-curl-to-ocis-image.md

@@ -0,0 +1,6 @@
+Enhancement: Add curl to the oCIS OCI image
+
+We've added curl to the oCIS OCI image published on Dockerhub.
+This can be used for eg. healthchecks with the services' health endpoint.
+
+https://github.com/owncloud/ocis/pull/4751

ocis/docker/Dockerfile.linux.amd64

@@ -3,10 +3,7 @@ FROM amd64/alpine:3.15
 ARG VERSION=""
 ARG REVISION=""
 
-RUN apk update && \
+RUN apk add --no-cache ca-certificates mailcap tree attr curl && \
-	apk upgrade && \
-	apk add ca-certificates mailcap tree attr && \
-	rm -rf /var/cache/apk/* && \
 	echo 'hosts: files dns' >| /etc/nsswitch.conf
 
 LABEL maintainer="ownCloud GmbH <devops@owncloud.com>" \

ocis/docker/Dockerfile.linux.arm

@@ -3,10 +3,7 @@ FROM arm32v6/alpine:3.15
 ARG VERSION=""
 ARG REVISION=""
 
-RUN apk update && \
+RUN apk add --no-cache ca-certificates mailcap tree attr curl && \
-	apk upgrade && \
-	apk add ca-certificates mailcap tree attr && \
-	rm -rf /var/cache/apk/* && \
 	echo 'hosts: files dns' >| /etc/nsswitch.conf
 
 LABEL maintainer="ownCloud GmbH <devops@owncloud.com>" \

ocis/docker/Dockerfile.linux.arm64

@@ -3,10 +3,7 @@ FROM arm64v8/alpine:3.15
 ARG VERSION=""
 ARG REVISION=""
 
-RUN apk update && \
+RUN apk add --no-cache ca-certificates mailcap tree attr curl && \
-	apk upgrade && \
-	apk add ca-certificates mailcap tree attr && \
-	rm -rf /var/cache/apk/* && \
 	echo 'hosts: files dns' >| /etc/nsswitch.conf
 
 LABEL maintainer="ownCloud GmbH <devops@owncloud.com>" \