Add Drone CI pipeline: staging (branch=test → :dev tag) and production (branch=main → :latest tag) builds that push to Gitea container registry

.drone.yml

@@ -0,0 +1,57 @@
+kind: pipeline
+type: docker
+name: Build and Push Docker Image
+
+steps:
+- name: Setup Build
+  image: gitea.bsidesolutions.net/bside-solutions/docker-compose-v2-alpine:latest
+  commands:
+  - docker container prune -f
+  - docker image prune -f
+  volumes:
+  - name: docker_sock
+    path: /var/run/docker.sock
+  when:
+    branch:
+    - main
+    - test
+    - feature/*
+
+- name: Build and Push Container Image (Staging)
+  image: plugins/docker
+  settings:
+    username:
+      from_secret: DOCKER_USERNAME
+    password:
+      from_secret: DOCKER_PASSWORD
+    repo: gitea.bsidesolutions.net/bside-solutions/bside-webhook-proxy
+    registry: gitea.bsidesolutions.net
+    dockerfile: ./Dockerfile
+    force_tag: true
+    tags:
+    - dev
+  when:
+    branch:
+    - test
+
+- name: Build and Push Container Image (Production)
+  image: plugins/docker
+  settings:
+    username:
+      from_secret: DOCKER_USERNAME
+    password:
+      from_secret: DOCKER_PASSWORD
+    repo: gitea.bsidesolutions.net/bside-solutions/bside-webhook-proxy
+    registry: gitea.bsidesolutions.net
+    dockerfile: ./Dockerfile
+    force_tag: true
+    tags:
+    - latest
+  when:
+    branch:
+    - main
+
+volumes:
+  - name: docker_sock
+    host:
+      path: /var/run/docker.sock