Always use latest, non-prelease version of docker-compose

d/docker-compose.yml

@@ -1,10 +1,10 @@
 docker-compose:
-  image: ${REGISTRY_DOMAIN}/burmilla/os-dockercompose:2.20.2
+  image: ${REGISTRY_DOMAIN}/burmilla/os-dockercompose:latest
   labels:
     io.rancher.os.scope: system
     io.rancher.os.after: console
     io.docker.compose.rebuild: always
-  net: none
+  net: host
   privileged: true
   volumes_from:
   - all-volumes

images/20-dockercompose/Dockerfile

@@ -1,3 +1,4 @@
-FROM alpine
-COPY compose /compose
-ENTRYPOINT /bin/sh /compose/copy.sh
+FROM bash
+RUN apk --no-cache add jq
+COPY /download.sh /
+ENTRYPOINT /usr/local/bin/bash /download.sh

images/20-dockercompose/download.sh

@@ -0,0 +1,7 @@
+#!/bin/bash
+
+VERSION=$(jq -r 'map(select(.prerelease == false)) | first | .tag_name' <<< $(wget -q -O - https://api.github.com/repos/docker/compose/releases))
+DOCKERARCH=$(uname -m)
+COMPOSE_URL="https://github.com/docker/compose/releases/download/v${VERSION}/docker-compose-linux-${DOCKERARCH}"
+wget -q -O /var/lib/rancher/compose/docker-compose $COMPOSE_URL
+chmod 0755 /var/lib/rancher/compose/docker-compose

images/20-dockercompose/prebuild.sh

@@ -1,16 +1 @@
 #!/bin/bash
-set -ex
-
-cd $(dirname $0)
-
-VERSION=$1
-ARCH=$2
-if [ "$ARCH" == "amd64" ]; then
-    DOCKERARCH="x86_64"
-    COMPOSE_URL="https://github.com/docker/compose/releases/download/v${VERSION}/docker-compose-linux-${DOCKERARCH}"
-fi
-
-mkdir -p compose
-curl -sL -o compose/docker-compose ${COMPOSE_URL}
-chmod 0755 compose/docker-compose
-cp copy.sh compose/