Update docker file tag to match dependabot-onmibus version in the Gem…

…file

.github/dependabot.yml

@@ -22,13 +22,6 @@ updates:
   - dependency-name: "rubocop*"
     update-types: ["version-update:semver-patch"]
 
-- package-ecosystem: "docker" # See documentation for possible values
-  directory: "/updater" # Location of package manifests
-  schedule:
-    interval: "weekly"
-    time: "04:00"
-  open-pull-requests-limit: 10
-
 - package-ecosystem: "nuget" # See documentation for possible values
   directory: "/" # Location of package manifests
   schedule:

copy-updater-files.ps1 → update-files.ps1

@@ -4,6 +4,11 @@ $versionLine = $gemfileContent | Select-String 'gem "dependabot-omnibus", "(.*)"
 $version = [regex]::Match($versionLine, '"~>(\d+\.\d+\.\d+)"').Groups[1].Value
 Write-Output "Found dependabot-omnibus version: $version"
 
+# Update the version in the Dockerfile
+$dockerfile = Get-Content -Path "updater/Dockerfile" -Raw
+$dockerfile = ($dockerfile -replace '(?<=ARG DEPENDABOT_VERSION=)(\d+\.\d+\.\d+)', $version).Trim()
+$dockerfile | Set-Content -Path "updater/Dockerfile"
+
 # Prepare the list of files to be downloaded
 $files = @(
     ".ruby-version"

updater/Dockerfile

@@ -1,6 +1,6 @@
-#TODO: find out how to lock the base image version
 ARG ECOSYSTEM
-FROM ghcr.io/dependabot/dependabot-updater-$ECOSYSTEM
+ARG DEPENDABOT_VERSION=0.232.0
+FROM ghcr.io/dependabot/dependabot-updater-$ECOSYSTEM:$DEPENDABOT_VERSION
 
 # ENV DEPENDABOT_HOME /home/dependabot
 WORKDIR ${DEPENDABOT_HOME}