Deploy 'latest' tag to docker hub (#260)

.drone/drone.jsonnet

@@ -13,10 +13,6 @@ local onMain = {
   event: ['push'],
 };
 
-local onTagOrMain = {
-  event: ['push', 'tag'],
-};
-
 local pipeline(name) = {
   kind: 'pipeline',
   name: name,
@@ -63,7 +59,14 @@ local beyla() = pipeline('beyla') {
       },
     },
   ] + [
-    buildx('tagged', 'beyla', true, 'latest') {
+    // on each new version, it tags version `a.b.c` and `a.b`
+    buildx('tagged', 'beyla', true, '') {
+      when: onTag,
+    },
+  ] + [
+    // on each new version, it tags version `latest`,
+    // equivalent to the versions from the previous section
+    buildx('latest', 'beyla', false, 'latest') {
       when: onTag,
     },
   ] + [

.drone/drone.yml

@@ -34,6 +34,25 @@ steps:
     - linux/arm64
     - linux/amd64
     repo: grafana/beyla
+    tags: ""
+    username:
+      from_secret: docker_username
+  when:
+    event:
+    - tag
+- image: thegeeklab/drone-docker-buildx:24
+  name: beyla-latest-docker-buildx
+  privileged: true
+  settings:
+    auto_tag: false
+    dockerfile: Dockerfile
+    dry_run: false
+    password:
+      from_secret: docker_password
+    platforms:
+    - linux/arm64
+    - linux/amd64
+    repo: grafana/beyla
     tags: latest
     username:
       from_secret: docker_username
@@ -77,6 +96,6 @@ kind: secret
 name: docker_password
 ---
 kind: signature
-hmac: 596f1c15aa7a0918c5983b390801fe734d0655097fc009cbe1083c836e533833
+hmac: b2d0a0ed30050f8632ab6331f58a4d147c8e155e5f28a51de72a1d3b3a46759e
 
 ...