add Docker and Drone boilerplate

.drone.yml

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+---
+kind: pipeline
+type: docker
+name: default
+
+steps:
+  - name: install
+    image: composer
+    volumes:
+      - name: composer-cache
+        path: /tmp/cache
+    environment:
+      COMPOSER_CACHE_DIR: /tmp/cache
+    commands:
+      - composer install --no-progress --no-interaction --no-dev --optimize-autoloader
+
+  - name: unit tests
+    image: php:7.4
+    commands:
+      - vendor/bin/phpunit -c phpunit.xml
+
+  - name: build image
+    image: docker
+    volumes:
+      - name: dockersock
+        path: /var/run/docker.sock
+    commands:
+      - docker build -t notecat:latest .
+
+  - name: deploy on testing
+    image: docker/compose
+    volumes:
+      - name: dockersock
+        path: /var/run/docker.sock
+    commands:
+      - docker-compose -f docker/docker-compose.testing.yml up --build --detach
+
+volumes:
+  - name: composer-cache
+    host:
+      path: /tmp/drone/composer-cache
+
+  - name: dockersock
+    host:
+      path: /var/run/docker.sock

.env

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+COMPOSE_PROJECT_NAME=notecat

Dockerfile

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+FROM php:7.4-apache
+
+WORKDIR /var/www
+
+RUN sed -ri -e 's!/var/www/html!/var/www/public!g' /etc/apache2/sites-available/*.conf
+
+COPY vendor/ /var/www/vendor/
+COPY public/ /var/www/public/
+COPY src/ /var/www/src/

Makefile

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+### Variables
+DOCKER_COMPOSE_CMD := docker-compose -f docker/docker-compose.local.yml
+COMPOSER := composer
+PHPUNIT := vendor/bin/phpunit
+
+.PHONY: build up down logs install test phpunit open_coverage
+
+
+### Container management
+build:
+	${DOCKER_COMPOSE_CMD} build
+
+up:
+	${DOCKER_COMPOSE_CMD} up --build --detach
+
+down:
+	${DOCKER_COMPOSE_CMD} down
+
+logs:
+	${DOCKER_COMPOSE_CMD} logs -f || true
+
+
+### Dependency management
+install:
+	${COMPOSER} install
+
+
+### Test suites
+test: phpunit
+
+phpunit:
+	${PHPUNIT} -c phpunit.xml
+
+open_coverage:
+	${BROWSER} coverage/index.html

docker/docker-compose.local.yml

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+version: '3'
+
+services:
+  web:
+    build: ..
+    restart: always
+    ports:
+      - 8080:80
+    volumes:
+      - ../:/var/www/

docker/docker-compose.testing.yml

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+version: '3'
+
+services:
+  web:
+    build: ..
+    restart: always
+    networks:
+      - traefik
+    labels:
+      - traefik.enable=true
+      - traefik.http.routers.notecat.rule=Host(`notecat.dev.0xbd.space`)
+      - traefik.http.routers.notecat.tls=true
+      - traefik.http.routers.notecat.tls.certresolver=letsencrypt
+
+networks:
+  traefik:
+    external: true