Added Dockerfile

.gitlab-ci.yml

@@ -0,0 +1,28 @@
+default:
+  image: docker:latest
+
+variables:
+  DOCKER_TLS_CERTDIR: "/certs"
+  IMAGE_TAG: "${CI_COMMIT_REF_SLUG}"
+
+stages:
+  - build-and-push-image
+  - push-retagged-latest
+
+build-and-push-image:
+  stage: build-and-push-image
+  script:
+    - docker login -u $CI_REGISTRY_USER -p $CI_REGISTRY_PASSWORD $CI_REGISTRY
+    - docker build -t "$CI_REGISTRY_IMAGE:$IMAGE_TAG"
+    - docker push "$CI_REGISTRY_IMAGE:$IMAGE_TAG"
+
+push-retagged-latest:
+  stage: push-retagged-latest
+  script:
+    - docker login -u $CI_REGISTRY_USER -p $CI_REGISTRY_PASSWORD $CI_REGISTRY
+    - docker pull "$CI_REGISTRY_IMAGE:$IMAGE_TAG"
+    - docker tag "$CI_REGISTRY_IMAGE:$IMAGE_TAG" "$CI_REGISTRY_IMAGE:latest"
+    - docker push "$CI_REGISTRY_IMAGE:latest"
+  rules:
+    - if: $CI_COMMIT_BRANCH == $CI_DEFAULT_BRANCH
+      when: on_success

Dockerfile

@@ -0,0 +1,11 @@
+# syntax=docker/dockerfile:1
+
+FROM nginx:alpine
+
+WORKDIR /usr/share/nginx/html
+
+COPY . .
+
+EXPOSE 80
+
+CMD ["nginx", "-g", "daemon off;"]