Allow to specify the version of MTK used to build the image

.github/workflows/docker-image.yaml

@@ -4,6 +4,7 @@ on:
   push:
     branches:
       - 'main'
+      - 'testing/**'
     tags:
       - 'v*.*.*'
   pull_request:
@@ -54,3 +55,5 @@ jobs:
           push: true
           tags: ${{ steps.meta.outputs.tags }}
           labels: ${{ steps.meta.outputs.labels }}
+          build-args: |
+            MTK_VERSION=$mtk_version

Dockerfile

@@ -1,22 +1,27 @@
+ARG MTK_VERSION
+
 # build MTK from source
-FROM golang:1.18-alpine as builder
+FROM golang:1.22-alpine as builder
+
+ENV MTK_VERSION=v2.0.2
 
 WORKDIR /go/src/github.com/skpr
 RUN apk add --virtual --update-cache git && \
 	rm -rf /tmp/* /var/tmp/* /var/cache/apk/* /var/cache/distfiles/*
-RUN git clone https://github.com/skpr/mtk.git && cd mtk && git checkout 0c133b920123f05404854f3aacf44f05e6d20e03
-WORKDIR /go/src/github.com/skpr/mtk/dump
+ADD https://github.com/skpr/mtk.git#$MTK_VERSION ./mtk
+
+WORKDIR /go/src/github.com/skpr/mtk
 
 # compile
-RUN CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build -a -o bin/mtk-dump github.com/skpr/mtk/dump
+RUN CGO_ENABLED=0 GOOS=linux GOARCH=${ARCH} go build -a -o bin/mtk-dump github.com/skpr/mtk/cmd/mtk
 
 ARG IMAGE_REPO
 FROM ${IMAGE_REPO:-uselagoon}/commons as commons
 
 # Put in some labels so people know what this image is for
 LABEL org.opencontainers.image.authors="The Lagoon Authors" maintainer="The Lagoon Authors"
 
-COPY --from=builder /go/src/github.com/skpr/mtk/dump/bin/mtk-dump /usr/local/bin/mtk-dump
+COPY --from=builder /go/src/github.com/skpr/mtk/bin/mtk-dump /usr/local/bin/mtk-dump
 
 # Install necessary packages
 # -	perl for docker-login

renovate.json

@@ -9,5 +9,13 @@
         "matchDepTypes": ["action"],
         "groupName": "GitHub actions"
       }
+    ],
+    "regexManagers": [
+      {
+        "fileMatch": ["(^|/|\\.)Dockerfile$"],
+        "matchStrings": ["ENV MTK_VERSION=(?<currentValue>.*?)\n"],
+        "depNameTemplate": "skpr/mtk",
+        "datasourceTemplate": "github-tags"
+      }
     ]
-  }
+}