chore(deps): update docker.io/library/alpine docker tag to v3.15

.drone.yml

@@ -54,18 +54,16 @@ steps:
 - name: build
   image: plugins/docker
   settings:
-    auto_tag: false
     dockerfile: Dockerfile
+    auto_tag: false
     dry_run: true
-    force_tag: true
-    no_cache: true
-    purge: true
-    repo: volkerraschek/helm
     tags: latest-amd64
+    repo: volkerraschek/helm
     username:
       from_secret: container_image_registry_user
     password:
       from_secret: container_image_registry_password
+    no_cache: true
   volumes:
   - name: docker_socket
     path: /var/run/docker.sock
@@ -117,18 +115,16 @@ steps:
 - name: build
   image: plugins/docker
   settings:
-    auto_tag: false
     dockerfile: Dockerfile
+    auto_tag: false
     dry_run: true
-    force_tag: true
-    no_cache: true
-    purge: true
-    repo: volkerraschek/helm
     tags: latest-arm-v7
+    repo: volkerraschek/helm
     username:
       from_secret: container_image_registry_user
     password:
       from_secret: container_image_registry_password
+    no_cache: true
 
 - name: notify
   image: drillster/drone-email
@@ -180,18 +176,16 @@ steps:
 - name: build
   image: plugins/docker
   settings:
-    auto_tag: false
     dockerfile: Dockerfile
+    auto_tag: false
     dry_run: true
-    force_tag: true
-    no_cache: true
-    purge: true
-    repo: volkerraschek/helm
     tags: latest-arm64-v8
+    repo: volkerraschek/helm
     username:
       from_secret: container_image_registry_user
     password:
       from_secret: container_image_registry_password
+    no_cache: true
 
 - name: notify
   image: drillster/drone-email
@@ -243,17 +237,15 @@ steps:
 - name: build
   image: plugins/docker
   settings:
-    auto_tag: false
     dockerfile: Dockerfile
-    force_tag: true
+    auto_tag: false
-    no_cache: true
-    purge: true
-    repo: volkerraschek/helm
     tags: latest-amd64
+    repo: volkerraschek/helm
     username:
       from_secret: container_image_registry_user
     password:
       from_secret: container_image_registry_password
+    no_cache: true
   volumes:
   - name: docker_socket
     path: /var/run/docker.sock
@@ -304,17 +296,15 @@ steps:
 - name: build
   image: plugins/docker
   settings:
-    auto_tag: false
     dockerfile: Dockerfile
-    force_tag: true
+    auto_tag: false
-    no_cache: true
-    purge: true
-    repo: volkerraschek/helm
     tags: latest-arm-v7
+    repo: volkerraschek/helm
     username:
       from_secret: container_image_registry_user
     password:
       from_secret: container_image_registry_password
+    no_cache: true
 
 - name: notify
   image: drillster/drone-email
@@ -365,17 +355,15 @@ steps:
 - name: build
   image: plugins/docker
   settings:
-    auto_tag: false
     dockerfile: Dockerfile
-    force_tag: true
+    auto_tag: false
-    no_cache: true
-    purge: true
-    repo: volkerraschek/helm
     tags: latest-arm64-v8
+    repo: volkerraschek/helm
     username:
       from_secret: container_image_registry_user
     password:
       from_secret: container_image_registry_password
+    no_cache: true
 
 - name: notify
   image: drillster/drone-email
@@ -477,12 +465,9 @@ steps:
 - name: build
   image: plugins/docker
   settings:
-    auto_tag_suffix: amd64
-    auto_tag: true
     dockerfile: Dockerfile
-    force_tag: true
+    auto_tag: true
-    no_cache: true
+    auto_tag_suffix: amd64
-    purge: true
     repo: volkerraschek/helm
     username:
       from_secret: container_image_registry_user
@@ -490,6 +475,7 @@ steps:
       from_secret: container_image_registry_password
     build_args:
     - HELM_VERSION=${DRONE_TAG}
+    no_cache: true
   volumes:
   - name: docker_socket
     path: /var/run/docker.sock
@@ -534,12 +520,9 @@ steps:
 - name: build
   image: plugins/docker
   settings:
-    auto_tag_suffix: arm-v7
-    auto_tag: true
     dockerfile: Dockerfile
-    force_tag: true
+    auto_tag: true
-    no_cache: true
+    auto_tag_suffix: arm-v7
-    purge: true
     repo: volkerraschek/helm
     username:
       from_secret: container_image_registry_user
@@ -547,6 +530,7 @@ steps:
       from_secret: container_image_registry_password
     build_args:
     - HELM_VERSION=${DRONE_TAG}
+    no_cache: true
   volumes:
   - name: docker_socket
     path: /var/run/docker.sock
@@ -591,12 +575,9 @@ steps:
 - name: build
   image: plugins/docker
   settings:
-    auto_tag_suffix: arm64-v8
-    auto_tag: true
     dockerfile: Dockerfile
-    force_tag: true
+    auto_tag: true
-    no_cache: true
+    auto_tag_suffix: arm64-v8
-    purge: true
     repo: volkerraschek/helm
     username:
       from_secret: container_image_registry_user
@@ -604,6 +585,7 @@ steps:
       from_secret: container_image_registry_password
     build_args:
     - HELM_VERSION=${DRONE_TAG}
+    no_cache: true
   volumes:
   - name: docker_socket
     path: /var/run/docker.sock

Dockerfile

@@ -1,11 +1,8 @@
-FROM docker.io/library/alpine:3.14
+FROM docker.io/library/alpine:3.15
 
 ARG HELM_VERSION
 
 COPY install.sh /install.sh
 RUN VERSION=${HELM_VERSION} /install.sh
 
-# Install additionally cm-push plugin
-RUN helm plugin install https://github.com/chartmuseum/helm-push.git
-
 ENTRYPOINT [ "/usr/bin/helm" ]