ref(build): release Docker image to GHCR via Craft

.craft.yml

@@ -1,16 +1,26 @@
 minVersion: "2.19.0"
-changelogPolicy: auto
+changelog:
+  policy: auto
 artifactProvider:
   name: none
 statusProvider:
   name: github
   config:
     contexts:
-    - 'build-arm64'
-    - 'build-amd64'
-    - 'assemble-taskbroker-image'
+      - 'build-arm64'
+      - 'build-amd64'
+      - 'assemble-taskbroker-image'
 preReleaseCommand: ""
 targets:
-- name: github
+  - id: release
+    name: docker
+    source: ghcr.io/getsentry/taskbroker
+    target: ghcr.io/getsentry/taskbroker
+  - id: latest
+    name: docker
+    source: ghcr.io/getsentry/taskbroker
+    target: ghcr.io/getsentry/taskbroker
+    targetFormat: '{{{target}}}:latest'
+  - name: github
 versioning:
   policy: calver

scripts/bump-version.sh

@@ -0,0 +1,17 @@
+#!/bin/bash
+set -euo pipefail
+
+if [ "$(uname -s)" != "Linux" ]; then
+    echo "This script can only be run on Linux!"
+    echo "Please use the GitHub Action instead."
+    exit 1
+fi
+
+SCRIPT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+cd $SCRIPT_DIR/..
+
+OLD_VERSION="${1}"
+NEW_VERSION="${2}"
+
+echo "Current version: ${OLD_VERSION}"
+echo "Bumping version: ${NEW_VERSION}"