Merge pull request #27 from mrtazz/add-docker-image

add docker build

.github/workflows/ci.yml

@@ -0,0 +1,49 @@
+name: CI
+on: push
+jobs:
+
+  build:
+    name: build and test
+    runs-on: ubuntu-latest
+    steps:
+
+    - name: Set up Go 1.13
+      uses: actions/setup-go@v1
+      with:
+        go-version: 1.13
+      id: go
+
+    - name: Check out code
+      uses: actions/checkout@master
+      with:
+        fetch-depth: 1
+
+    - name: install dependencies
+      run: |
+        sudo wget https://github.com/jgm/pandoc/releases/download/2.7.3/pandoc-2.7.3-1-amd64.deb
+        sudo dpkg -i pandoc-2.7.3-1-amd64.deb
+
+    - name: build and run unit tests
+      run: make clean all test
+
+    - name: Run checkmake on Makefile
+      run: ./checkmake Makefile
+
+  docker:
+    needs: build
+    name: docker image build and release
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v1
+    - name: Build the Docker image
+      run: docker build . --file Dockerfile --tag mrtazz/checkmake:${GITHUB_SHA} --tag mrtazz/checkmake:latest
+
+    - name: push the docker image to docker hub
+      if: github.ref == 'refs/heads/master'
+      run: |
+        echo ${{ secrets.DOCKER_HUB_TOKEN }} | docker login hub.docker.com -u mrtazz --password-stdin
+        docker push mrtazz/checkmake:${GITHUB_SHA}
+        docker push mrtazz/checkmake:latest
+        docker logout hub.docker.com

Dockerfile

@@ -0,0 +1,12 @@
+FROM golang:1.13 as builder
+
+COPY . /checkmake
+
+RUN cd /checkmake && GOOS=linux GOARCH=amd64 CGO_ENABLED=0 make binaries
+
+FROM alpine:3.9
+
+USER nobody
+
+COPY --from=builder /checkmake /
+ENTRYPOINT ["./checkmake", "/Makefile"]

Makefile

@@ -32,7 +32,7 @@ MAN_TARGETS := $(patsubst man/man1/%.md,%,$(MAN_SOURCES))
 
 INSTALLED_TARGETS = $(addprefix $(PREFIX)/bin/, $(TARGETS))
 INSTALLED_MAN_TARGETS = $(addprefix $(PREFIX)/share/man/man1/, $(MAN_TARGETS))
-		
+
 # source, dependency and build definitions
 DEPDIR = .d
 MAKEDEPEND = echo "$@: $$(go list -f '{{ join .Deps "\n" }}' $< | awk '/github/ { gsub(/^github.com\/[a-z]*\/[a-z]*\//, ""); printf $$0"/*.go " }')" > $(DEPDIR)/$@.d
@@ -55,6 +55,8 @@ $(DEPDIR):
 all: require $(TARGETS) $(MAN_TARGETS)
 .DEFAULT_GOAL:=all
 
+binaries: $(TARGETS)
+
 require:
 	@echo "Checking the programs required for the build are installed..."
 	@pandoc --version >/dev/null 2>&1 || (echo "ERROR: pandoc is required."; exit 1)
@@ -147,4 +149,4 @@ pizza:
 	@echo "https://twitter.com/mrb_bk/status/760636493710983168"
 	@echo ""
 
-.PHONY: all test rpm deb install local-install packages vendor coverage clean-deps clean clean-docs pizza
+.PHONY: all test rpm deb install local-install packages vendor coverage clean-deps clean clean-docs pizza binaries

README.md

@@ -43,6 +43,17 @@ Options:
 
 ```
 
+## Docker usage
+Build the image, or pull it:
+```sh
+docker build . -t checker
+```
+
+Then run it with your Makefile attached, below is an example of it assuming the Makefile is in your current working directory:
+```sh
+docker run -v $(pwd)/Makefile:/Makefile checker
+```
+
 ## Installation
 
 ### Requirements