Added workflow for pull requests. Enabled docker-linting.

.github/workflows/feature.yml

@@ -0,0 +1,24 @@
+name: Build on pull request
+
+on:
+  pull_request:
+    types:
+      - opened
+    branches:
+      - master
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v1
+
+      - name: Docker Lint
+        uses: luke142367/Docker-Lint-Action@v1.0.0
+        with:
+          target: Dockerfile
+
+      - name: Build Docker image
+        if:  github.actor != 'Krzysztof-Szyper-Epam'
+        run: make docker-build

.github/workflows/main.yml → .github/workflows/master.yml

@@ -1,6 +1,9 @@
-name: Build and Push to DockerHub
+name: Build and push to Docker Hub
 
-on: [push]
+on:
+  push:
+    branches:
+      - master
 
 jobs:
   build:
@@ -9,8 +12,12 @@ jobs:
       - name: Checkout repository
         uses: actions/checkout@v1
 
+      - name: Docker Lint
+        uses: luke142367/Docker-Lint-Action@v1.0.0
+        with:
+          target: Dockerfile
+
       - name: Build and Push Docker image
         env:
-          DOCKER_USER_ID: ${{ secrets.DOCKER_USER_ID }}
           DOCKER_TOKEN: ${{ secrets.DOCKER_TOKEN }}
         run: make build-and-push

Makefile

@@ -12,6 +12,7 @@ GITHUB_SHA ?= aabbccddeeff
 CURRENT_BRANCH := $(shell echo $(GITHUB_REF) | sed 's/refs\/heads\///')
 GITHUB_SHORT_SHA := $(shell echo $(GITHUB_SHA) | cut -c1-7)
 RELEASE_BRANCH := master
+DOCKER_USER_ID := christophshyper
 DOCKER_NAME := christophshyper/docker-terragrunt
 
 get-versions:
@@ -36,9 +37,6 @@ endif
 	$(info Current branch: $(CURRENT_BRANCH))
 	$(info Commit hash: $(GITHUB_SHORT_SHA))
 
-docker-login:
-	@echo $(DOCKER_TOKEN) | docker login -u $(DOCKER_USER_ID) --password-stdin
-
 docker-build: get-versions
 	@docker rm $(DOCKER_NAME):latest || true
 	@docker rm $(DOCKER_NAME):$(VERSION) || true
@@ -50,6 +48,9 @@ docker-build: get-versions
 		--file=Dockerfile \
 		--tag=$(DOCKER_NAME):$(VERSION) .
 
+docker-login:
+	@echo $(DOCKER_TOKEN) | docker login -u $(DOCKER_USER_ID) --password-stdin
+
 docker-push: docker-login
 ifeq ($(CURRENT_BRANCH),$(RELEASE_BRANCH))
 	@docker tag $(DOCKER_NAME):$(VERSION) $(DOCKER_NAME):latest

README.md

@@ -1,7 +1,8 @@
 # Docker image with Terraform/Terragrunt and all needed components to easily manage AWS infrastructure.
 
 [![GitHub krzysztof-szyper-epam/docker-terragrunt](https://img.shields.io/badge/github-krzysztof--szyper--epam%2Fdocker--terragrunt-blue.svg)](https://github.com/krzysztof-szyper-epam/docker-terragrunt "shields.io")
-[![Actions Status](https://github.com/Krzysztof-Szyper-Epam/docker-terragrunt/workflows/Build%20and%20Push%20to%20DockerHub/badge.svg)](https://github.com/Krzysztof-Szyper-Epam/docker-terragrunt/actions "github.com")
+[![Actions Status](https://github.com/Krzysztof-Szyper-Epam/docker-terragrunt/workflows/Build%20and%20push%20to%20Docker%20Hub/badge.svg)](https://github.com/Krzysztof-Szyper-Epam/docker-terragrunt/actions?query=workflow%3A%22Build+and+push+to+Docker+Hub%22 "github.com")
+[![Actions Status](https://github.com/Krzysztof-Szyper-Epam/docker-terragrunt/workflows/Build%20on%20pull%20request/badge.svg)](https://github.com/Krzysztof-Szyper-Epam/docker-terragrunt/actions?query=workflow%3A%22Build+on+pull+request%22 "github.com")
 ![GitHub](https://img.shields.io/github/license/krzysztof-szyper-epam/docker-terragrunt "shields.io")
 ![GitHub last commit](https://img.shields.io/github/last-commit/krzysztof-szyper-epam/docker-terragrunt "shields.io")
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