added circleci.yml

.circleci/config.yml

@@ -0,0 +1,41 @@
+version: 2.1
+
+jobs:
+  build:
+    docker:
+      - image: cimg/base
+    steps:
+       - checkout
+       - run: |
+          chmod +x docker-entrypoint.sh
+          chmod +x envsubst-on-templates.sh
+          chmod +x tune-worker-processes.sh
+          docker build . -t $DOCKER_HUB_ID/nginx:1.21.4-rtmp-geoip2-alpine --no-cache
+
+  test:
+    docker:
+      - image: cimg/base
+    steps:
+      - checkout
+      - run: |
+          docker run -t --name webserver --rm  $DOCKER_HUB_ID/nginx:1.21.4-rtmp-geoip2-alpine nginx -v
+  
+  deploy:
+    docker:
+      - image: cimg/base
+        auth:
+          username: $DOCKER_HUB_ID
+          password: $DOCKER_HUB_PASSWORD
+    steps:
+      - run: docker push $DOCKER_HUB_ID/nginx:1.21.4-rtmp-geoip2-alpine
+
+workflows:
+  build_and_test:
+    jobs:
+      - build
+      - test:
+          requires:
+            - build
+      - deploy:
+          requires:
+            - test