docker demo

Dockerfile

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+FROM alpine:3.13.3
+
+RUN apk add curl openssl php7 php7-curl php7-openssl php7-gmp php7-mbstring php7-json php7-phar
+
+RUN curl -sS https://getcomposer.org/installer | php7 -- --install-dir=/usr/local/bin --filename=composer
+
+RUN mkdir /app; cd /app; composer create-project minishlink/web-push-php-example
+
+RUN cd /app/web-push-php-example; openssl ecparam -genkey -name prime256v1 -out keys/private_key.pem && \
+   openssl ec -in private_key.pem -pubout -outform DER|tail -c 65|base64|tr -d '=' |tr '/+' '_-' >> keys/public_key.txt && \
+   openssl ec -in private_key.pem -outform DER|tail -c +8|head -c 32|base64|tr -d '=' |tr '/+' '_-' >> keys/private_key.txt
+
+EXPOSE 8000
+
+CMD [ "php", "-S", "0.0.0.0:8000", "/app/web-push-php-example/router.php" ]

docker-compose.yml

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+version: '3.7'
+# https://github.com/c4tom/web-push-php
+
+services:
+  web_push_php:
+    image: cahato/web-push-php:latest
+    build: 
+      context: ./
+      dockerfile: Dockerfile
+    container_name: alpine_php_webpush_php
+    hostname: web_push_php
+    ports:
+      - "8000:8000"