fix: build pkg in container

.drone.yml

@@ -0,0 +1,55 @@
+---
+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
+
+node_selector:
+  kubernetes.io/os: linux
+  kubernetes.io/arch: amd64
+
+steps:
+- name: build-pkg
+  commands:
+  - 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:
+    - pull_request
+    - push

.gitignore

@@ -1,3 +1,4 @@
 *
+!.drone.yml
 !.gitignore
 !PKGBUILD