Refactor build pipeline and update Dockerfile base image

- Update build pipeline to use plugins/docker instead of woodpeckerci/plugin-docker-buildx
- Change registry, repo, and username settings in the build pipeline
- Update base image in Dockerfile from Alpine to Ubuntu
- Remove unnecessary Alpine package installation command

.woodpecker.yml

@@ -1,9 +1,9 @@
 pipeline:
-  alpine:
-    image: woodpeckerci/plugin-docker-buildx
+  build:
+    image: plugins/docker
     settings:
-      repo: lttech/deno-deployctl
-      platforms: linux/amd64,linux/arm64
-      username: lttech
+      registry: techio.dev
+      repo: techio.dev/${CI_REPO}
+      username: deploy
       password:
-        from_secret: docker_lttech
+        from_secret: deploy_password

Dockerfile

@@ -1,4 +1,3 @@
-FROM alpine
-RUN apk add curl
+FROM ubuntu
 RUN curl -fsSL https://deno.land/x/install/install.sh | sh
 RUN deno install --allow-all --no-check -r -f https://deno.land/x/deploy/deployctl.ts