ci: allow to ignore cache by workflow dispatch

Author: iaymerich

.github/workflows/main.yml

@@ -6,7 +6,12 @@ on:
       - main
   pull_request:
     branches: [main]
-
+  workflow_dispatch:
+    inputs:
+      no_cache:
+        description: "Ignore Build cache"
+        required: false
+        default: false
 permissions:
   contents: write
   pull-requests: write
@@ -16,6 +21,16 @@ jobs:
   ci:
     runs-on: ubuntu-latest
     steps:
+      - name: Determine Cache Behavior
+        id: cache
+        run: |
+          if [ "${{ github.event_name }}" = "workflow_dispatch" ]; then
+            echo "no_cache=${{ inputs.no_cache }}" >> "$GITHUB_OUTPUT"
+            echo "NO_CACHE=${{ inputs.no_cache }}" >> "$GITHUB_ENV"
+          else
+            echo "no_cache=false" >> "$GITHUB_OUTPUT"
+            echo "NO_CACHE=false" >> "$GITHUB_ENV"
+          fi
       - name: Checkout Repository
         uses: actions/checkout@v4
 
@@ -24,6 +39,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v5
         with:
+          cache: ${{ steps.cache.outputs.no_cache }}
           go-version: 1.22
       - name: Set up release please
         id: release

Makefile

@@ -9,7 +9,7 @@ GIT_BRANCH_NAME := $(shell git rev-parse --abbrev-ref HEAD)
 BUILD_DATE := $(shell date +%Y-%m-%dT%H:%M:%SZ)
 IMAGE_NAME ?= ghcr.io/segator/transcoderd
 PROJECT_VERSION ?= $(shell cat version.txt)-dev
-
+export NO_CACHE
 
 .DEFAULT: help
 .PHONY: help
@@ -39,12 +39,13 @@ DOCKER_BUILD_ARG := --cache-to type=inline
 .PHONY: buildcontainer-%
 .PHONY: publishcontainer-%
 buildcontainer-% publishcontainer-%:
-	@export DOCKER_BUILD_ARG="$(DOCKER_BUILD_ARG) $(if $(findstring publishcontainer,$@),--push,--load)"; \
-	docker buildx build \
+	@export DOCKER_BUILD_ARG="$(DOCKER_BUILD_ARG) $(if $(findstring publishcontainer,$@),--push,--load) $(if $(NO_CACHE),--no-cache,) "; \
+	@docker buildx build \
 		$${DOCKER_BUILD_ARG} \
-		--cache-from $(IMAGE_NAME):$*-main \
-		--cache-from $(IMAGE_NAME):$*-$(GIT_BRANCH_NAME) \
-		-t $(IMAGE_NAME):$*-$(PROJECT_VERSION) \
+		--cache-from $(IMAGE_NAME):$*-$(GIT_BRANCH_NAME) \ # Generally for non main branches cache
+		--cache-from $(IMAGE_NAME):$*-main \ # In case no cache for branches use main cache
+		-t $(IMAGE_NAME):$*-$(PROJECT_VERSION) \ # Publish specific version image
+		-t $(IMAGE_NAME):$*-$(GIT_BRANCH_NAME) \ # publish specific branch image for cache porpuses
 		-f Dockerfile \
 		--target $* \
 		. ;