Improve GitHub Actions CI workflow

Author: andyone

.github/workflows/ci.yml

@@ -19,7 +19,7 @@ jobs:
 
     strategy:
       matrix:
-        go: [ '1.15.x', '1.16.x' ]
+        go: [ '1.16.x', '1.17.x' ]
 
     steps:
       - name: Set up Go
@@ -85,7 +85,7 @@ jobs:
     needs: Go
 
     env:
-      HADOLINT_VERSION: 2.1.0
+      HADOLINT_VERSION: 2.6.1
 
     steps:
       - name: Checkout
@@ -101,3 +101,23 @@ jobs:
 
       - name: Check Docker files
         run: ./hadolint Dockerfile
+
+  DockerBuild:
+    name: Docker Build Check
+    runs-on: ubuntu-latest
+
+    needs: Hadolint
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+
+      - name: Login to DockerHub
+        uses: docker/login-action@v1
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+
+      - name: Build CentOS 7 image
+        run: |
+          docker build -f Dockerfile -t centos7 .

Dockerfile

@@ -15,13 +15,13 @@ RUN apk add --no-cache git=~2.30 make=4.3-r0 upx=3.96-r1 && \
 
 ## FINAL IMAGE #################################################################
 
-FROM alpine:3.13
+FROM essentialkaos/alpine:3.13
 
 LABEL name="SSLCLI Image" \
       vendor="ESSENTIAL KAOS" \
       maintainer="Anton Novojilov" \
       license="EKOL" \
-      version="2021.05.01"
+      version="2021.08.21"
 
 COPY --from=builder /go/src/github.com/essentialkaos/sslcli/sslcli /usr/bin/
 

README.md

@@ -24,7 +24,7 @@
 
 #### From source
 
-To build the SSLScan Client from scratch, make sure you have a working Go 1.14+ workspace ([instructions](https://golang.org/doc/install)), then:
+To build the SSLScan Client from scratch, make sure you have a working Go 1.16+ workspace ([instructions](https://golang.org/doc/install)), then:
 
 ```
 go get github.com/essentialkaos/sslcli