chore: add dynamic version detection

in the past it was forgotten to increase the version file on a new release.
This logic now automatically uses the docker tag as new version info

.github/workflows/release.yml

@@ -69,6 +69,8 @@ jobs:
           labels: ${{ steps.meta.outputs.labels }}
           cache-from: type=gha
           cache-to: type=gha,mode=max
+          build-args: |
+            APP_VERSION=${{ steps.meta.outputs.tags }}
 
       # Sign the resulting Docker image digest except on PRs.
       # This will only write to the public Rekor transparency log when the Docker

Dockerfile

@@ -1,4 +1,7 @@
 FROM ruby:3.3.2-slim
+ARG DOCKER_TAG
+ENV APP_VERSION=$DOCKER_TAG
+
 RUN apt-get update && apt-get install -y git supervisor build-essential zlib1g-dev libpq-dev curl
 
 # throw errors if Gemfile has been modified since Gemfile.lock

config/version.rb

@@ -2,6 +2,6 @@
 
 module Box
   def self.version
-    "1.3.32"
+    ENV["APP_VERSION"].to_s
   end
 end