Use buildkit for docker builds (#23415)

This switches Docker builds to use build kit which is less prone to
error than legacy docker-in-docker building. It also switches back to
using the upstream docker image again now that it has been updated to a
version that supports alpine 3.14+

Co-authored-by: John Olheiser <john.olheiser@gmail.com>

.drone.yml

@@ -1206,7 +1206,7 @@ steps:
       - git fetch --tags --force
 
   - name: publish
-    image: techknowlogick/drone-docker:latest
+    image: plugins/docker:latest
     pull: always
     settings:
       auto_tag: true
@@ -1218,13 +1218,17 @@ steps:
         from_secret: docker_password
       username:
         from_secret: docker_username
+    environment:
+      PLUGIN_MIRROR:
+        from_secret: plugin_mirror
+      DOCKER_BUILDKIT: 1
     when:
       event:
         exclude:
         - pull_request
 
   - name: publish-rootless
-    image: techknowlogick/drone-docker:latest
+    image: plugins/docker:latest
     settings:
       dockerfile: Dockerfile.rootless
       auto_tag: true
@@ -1236,6 +1240,10 @@ steps:
         from_secret: docker_password
       username:
         from_secret: docker_username
+    environment:
+      PLUGIN_MIRROR:
+        from_secret: plugin_mirror
+      DOCKER_BUILDKIT: 1
     when:
       event:
         exclude:
@@ -1276,7 +1284,7 @@ steps:
       - git fetch --tags --force
 
   - name: publish
-    image: techknowlogick/drone-docker:latest
+    image: plugins/docker:latest
     pull: always
     settings:
       tags: ${DRONE_TAG##v}-linux-amd64
@@ -1287,13 +1295,17 @@ steps:
         from_secret: docker_password
       username:
         from_secret: docker_username
+    environment:
+      PLUGIN_MIRROR:
+        from_secret: plugin_mirror
+      DOCKER_BUILDKIT: 1
     when:
       event:
         exclude:
         - pull_request
 
   - name: publish-rootless
-    image: techknowlogick/drone-docker:latest
+    image: plugins/docker:latest
     settings:
       dockerfile: Dockerfile.rootless
       tags: ${DRONE_TAG##v}-linux-amd64-rootless
@@ -1304,6 +1316,10 @@ steps:
         from_secret: docker_password
       username:
         from_secret: docker_username
+    environment:
+      PLUGIN_MIRROR:
+        from_secret: plugin_mirror
+      DOCKER_BUILDKIT: 1
     when:
       event:
         exclude:
@@ -1341,7 +1357,7 @@ steps:
       - git fetch --tags --force
 
   - name: publish
-    image: techknowlogick/drone-docker:latest
+    image: plugins/docker:latest
     pull: always
     settings:
       auto_tag: false
@@ -1353,13 +1369,17 @@ steps:
         from_secret: docker_password
       username:
         from_secret: docker_username
+    environment:
+      PLUGIN_MIRROR:
+        from_secret: plugin_mirror
+      DOCKER_BUILDKIT: 1
     when:
       event:
         exclude:
         - pull_request
 
   - name: publish-rootless
-    image: techknowlogick/drone-docker:latest
+    image: plugins/docker:latest
     settings:
       dockerfile: Dockerfile.rootless
       auto_tag: false
@@ -1371,6 +1391,10 @@ steps:
         from_secret: docker_password
       username:
         from_secret: docker_username
+    environment:
+      PLUGIN_MIRROR:
+        from_secret: plugin_mirror
+      DOCKER_BUILDKIT: 1
     when:
       event:
         exclude:
@@ -1407,7 +1431,7 @@ steps:
       - git fetch --tags --force
 
   - name: publish
-    image: techknowlogick/drone-docker:latest
+    image: plugins/docker:latest
     pull: always
     settings:
       auto_tag: false
@@ -1419,13 +1443,17 @@ steps:
         from_secret: docker_password
       username:
         from_secret: docker_username
+    environment:
+      PLUGIN_MIRROR:
+        from_secret: plugin_mirror
+      DOCKER_BUILDKIT: 1
     when:
       event:
         exclude:
         - pull_request
 
   - name: publish-rootless
-    image: techknowlogick/drone-docker:latest
+    image: plugins/docker:latest
     settings:
       dockerfile: Dockerfile.rootless
       auto_tag: false
@@ -1437,6 +1465,10 @@ steps:
         from_secret: docker_password
       username:
         from_secret: docker_username
+    environment:
+      PLUGIN_MIRROR:
+        from_secret: plugin_mirror
+      DOCKER_BUILDKIT: 1
     when:
       event:
         exclude:
@@ -1445,7 +1477,7 @@ steps:
 ---
 kind: pipeline
 type: docker
-name: docker-linux-arm64-dry-run
+name: docker-linux-amd64-dry-run
 
 platform:
   os: linux
@@ -1463,7 +1495,7 @@ trigger:
 
 steps:
   - name: dryrun
-    image: techknowlogick/drone-docker:latest
+    image: plugins/docker:latest
     pull: always
     settings:
       dry_run: true
@@ -1474,6 +1506,7 @@ steps:
     environment:
       PLUGIN_MIRROR:
         from_secret: plugin_mirror
+      DOCKER_BUILDKIT: 1
     when:
       event:
         - pull_request
@@ -1516,7 +1549,7 @@ steps:
       - git fetch --tags --force
 
   - name: publish
-    image: techknowlogick/drone-docker:latest
+    image: plugins/docker:latest
     pull: always
     settings:
       auto_tag: true
@@ -1528,13 +1561,17 @@ steps:
         from_secret: docker_password
       username:
         from_secret: docker_username
+    environment:
+      PLUGIN_MIRROR:
+        from_secret: plugin_mirror
+      DOCKER_BUILDKIT: 1
     when:
       event:
         exclude:
         - pull_request
 
   - name: publish-rootless
-    image: techknowlogick/drone-docker:latest
+    image: plugins/docker:latest
     settings:
       dockerfile: Dockerfile.rootless
       auto_tag: true
@@ -1546,6 +1583,10 @@ steps:
         from_secret: docker_password
       username:
         from_secret: docker_username
+    environment:
+      PLUGIN_MIRROR:
+        from_secret: plugin_mirror
+      DOCKER_BUILDKIT: 1
     when:
       event:
         exclude:
@@ -1586,7 +1627,7 @@ steps:
       - git fetch --tags --force
 
   - name: publish
-    image: techknowlogick/drone-docker:latest
+    image: plugins/docker:latest
     pull: always
     settings:
       tags: ${DRONE_TAG##v}-linux-arm64
@@ -1597,13 +1638,17 @@ steps:
         from_secret: docker_password
       username:
         from_secret: docker_username
+    environment:
+      PLUGIN_MIRROR:
+        from_secret: plugin_mirror
+      DOCKER_BUILDKIT: 1
     when:
       event:
         exclude:
         - pull_request
 
   - name: publish-rootless
-    image: techknowlogick/drone-docker:latest
+    image: plugins/docker:latest
     settings:
       dockerfile: Dockerfile.rootless
       tags: ${DRONE_TAG##v}-linux-arm64-rootless
@@ -1614,6 +1659,10 @@ steps:
         from_secret: docker_password
       username:
         from_secret: docker_username
+    environment:
+      PLUGIN_MIRROR:
+        from_secret: plugin_mirror
+      DOCKER_BUILDKIT: 1
     when:
       event:
         exclude:
@@ -1654,7 +1703,7 @@ steps:
       - git fetch --tags --force
 
   - name: publish
-    image: techknowlogick/drone-docker:latest
+    image: plugins/docker:latest
     pull: always
     settings:
       auto_tag: false
@@ -1666,13 +1715,17 @@ steps:
         from_secret: docker_password
       username:
         from_secret: docker_username
+    environment:
+      PLUGIN_MIRROR:
+        from_secret: plugin_mirror
+      DOCKER_BUILDKIT: 1
     when:
       event:
         exclude:
         - pull_request
 
   - name: publish-rootless
-    image: techknowlogick/drone-docker:latest
+    image: plugins/docker:latest
     settings:
       dockerfile: Dockerfile.rootless
       auto_tag: false
@@ -1684,6 +1737,10 @@ steps:
         from_secret: docker_password
       username:
         from_secret: docker_username
+    environment:
+      PLUGIN_MIRROR:
+        from_secret: plugin_mirror
+      DOCKER_BUILDKIT: 1
     when:
       event:
         exclude:
@@ -1720,7 +1777,7 @@ steps:
       - git fetch --tags --force
 
   - name: publish
-    image: techknowlogick/drone-docker:latest
+    image: plugins/docker:latest
     pull: always
     settings:
       auto_tag: false
@@ -1732,13 +1789,17 @@ steps:
         from_secret: docker_password
       username:
         from_secret: docker_username
+    environment:
+      PLUGIN_MIRROR:
+        from_secret: plugin_mirror
+      DOCKER_BUILDKIT: 1
     when:
       event:
         exclude:
         - pull_request
 
   - name: publish-rootless
-    image: techknowlogick/drone-docker:latest
+    image: plugins/docker:latest
     settings:
       dockerfile: Dockerfile.rootless
       auto_tag: false
@@ -1750,6 +1811,10 @@ steps:
         from_secret: docker_password
       username:
         from_secret: docker_username
+    environment:
+      PLUGIN_MIRROR:
+        from_secret: plugin_mirror
+      DOCKER_BUILDKIT: 1
     when:
       event:
         exclude: