feat: use docker implementation

Dockerfile

@@ -0,0 +1,14 @@
+FROM alpine:latest
+
+ARG VERSION="1.2.0"
+
+COPY entrypoint.sh /entrypoint.sh
+
+RUN chmod +x /entrypoint.sh && \
+    apk add --no-cache --update openssl curl ca-certificates && \
+    curl -L https://github.com/argoproj/argo-rollouts/releases/download/v$VERSION/kubectl-argo-rollouts-linux-amd64 -o /usr/local/bin/kubectl-argo-rollouts && \
+    chmod +x /usr/local/bin/kubectl-argo-rollouts && \
+    rm -rf /var/cache/apk/*
+
+ENTRYPOINT ["/entrypoint.sh"]
+CMD ["version"]

README.md

@@ -13,7 +13,7 @@ To use kubectl-argo-rollouts put this step into your workflow:
   env:
     KUBE_CONFIG: ${{ secrets.KUBE_CONFIG }}
   with:
-    args: get pods
+    args: get rollout
 ```
 
 ## Environment variables

action.yml

@@ -0,0 +1,12 @@
+name: 'kubectl-argo-rollouts cli'
+description: 'GitHub Action for interacting with kubectl-argo-rollouts (kubectl-argo-rollouts)'
+author: 'meakawa <meakawa@icloud.com>'
+branding:
+  icon: 'terminal'
+  color: 'blue'
+inputs:
+  KUBE_CONFIG:
+    description: 'Kubernetes configuration'
+runs:
+  using: 'docker'
+  image: 'Dockerfile'

entrypoint.sh

@@ -0,0 +1,20 @@
+#!/bin/sh
+
+set -e
+
+if [ ! -d "$HOME/.kube" ]; then
+    mkdir -p $HOME/.kube
+fi
+
+if [ ! -f "$HOME/.kube/config" ]; then
+    if [ ! -z "${KUBE_CONFIG}" ]; then
+        echo "$KUBE_CONFIG" | base64 -d > $HOME/.kube/config
+    else
+        echo "No authorization data found. Please provide KUBE_CONFIG variables. Exiting..."
+        exit 1
+    fi
+fi
+
+echo "/usr/local/bin/kubectl-argo-rollouts" >> $GITHUB_PATH
+
+kubectl-argo-rollouts $*