fix: build pkg in container

.drone.yml

@@ -1,5 +1,31 @@
 ---
+kind: pipeline
+type: kubernetes
+name: build
 
+node_selector:
+  kubernetes.io/os: linux
+  kubernetes.io/arch: amd64
+
+steps:
+- name: build-pkg
+  commands:
+  - makepkg --sign
+  environment:
+    MAKEPKG_PACKAGER: "csrbot@cryptic.systems"
+    MAKEPKG_PKGEXT: ".pkg.tar.zst"
+    MAKEPKG_SRCEXT: ".src.tar.zst"
+  image: docker.io/volkerraschek/build-image:latest
+
+trigger:
+  event:
+    include:
+    - pull_request
+    - push
+    exclude:
+    - tag
+
+---
 kind: pipeline
 type: kubernetes
 name: deploy
@@ -9,17 +35,21 @@ node_selector:
   kubernetes.io/arch: amd64
 
 steps:
-- name: arch-linux-pkg
+- name: build-pkg
   commands:
-  - sed --in-place 's/pkgver=.*/pkgver=${DRONE_TAG}/' PKGBUILD
   - makepkg --sign
+  - scp *.pkg.tar.zst* ${AUR_SERVER}:/${AUR_PATH}
   environment:
     MAKEPKG_PACKAGER: "csrbot@cryptic.systems"
     MAKEPKG_PKGEXT: ".pkg.tar.zst"
     MAKEPKG_SRCEXT: ".src.tar.zst"
+    SSH_KEY:
+      from_secret:
+        ssh_key
   image: docker.io/volkerraschek/build-image:latest
 
-# trigger:
-#   event:
-#     include:
-#     - tag
+trigger:
+  event:
+    include:
+    - pull_request
+    - push