use alpine

.drone.yml

@@ -4,9 +4,9 @@ name: default
 
 steps:
 - name: generate
-  image: ubuntu:latest
+  image: alpine:latest
   commands:
-  - apt install -y idn sipcalc gawk git golang-1.20
+  - apk add --no-cache libidn sipcalc gawk git bash golang-go python
   - bash generate.sh
 - name: release
   image: plugins/gitea-release