Change name of Containerfile to Dockerfile (#52)

Dockerfile is a fairly known standard, and while Containerfile is also
valid, it isn't recognized by Renovate. By renaming this file we ensure
we can get automated updates with renovate.

Signed-off-by: Juan Antonio Osorio <[email protected]>

.github/workflows/release-latest.yml

@@ -12,4 +12,4 @@ jobs:
     with:
       name: audittail
       tag: latest
-      dockerfile_path: images/audittail/Containerfile
+      dockerfile_path: images/audittail/Dockerfile

.github/workflows/release.yml

@@ -11,4 +11,4 @@ jobs:
     with:
       name: audittail
       tag: ${GITHUB_REF_NAME}
-      dockerfile_path: images/audittail/Containerfile
+      dockerfile_path: images/audittail/Dockerfile

.github/workflows/test.yml

@@ -45,7 +45,7 @@ jobs:
         uses: docker/build-push-action@v3
         with:
           context: .
-          file: ./images/audittail/Containerfile
+          file: ./images/audittail/Dockerfile
           push: false
           tags: gchr.io/metal-toolbox/audittail:latest
 

Makefile

@@ -52,7 +52,7 @@ vendor:
 image: audittail-image
 
 audittail-image:
-	$(CONTAINER_BUILD_CMD) -f images/audittail/Containerfile . -t $(AUDITTAIL_CONTAINER_IMAGE_NAME):$(CONTAINER_TAG)
+	$(CONTAINER_BUILD_CMD) -f images/audittail/Dockerfile . -t $(AUDITTAIL_CONTAINER_IMAGE_NAME):$(CONTAINER_TAG)
 
 # Tools setup
 $(TOOLS_DIR):
@@ -65,4 +65,4 @@ $(TOOLS_DIR)/golangci-lint: $(TOOLS_DIR)
 		BINDIR=$(TOOLS_DIR) && \
 	curl -sfL $$URL/$$VERSION/install.sh | sh -s $$VERSION
 	$(TOOLS_DIR)/golangci-lint version
-	$(TOOLS_DIR)/golangci-lint linters
+	$(TOOLS_DIR)/golangci-lint linters