Add the ability to run cpolis from docker

Dockerfile

@@ -0,0 +1,11 @@
+FROM golang:latest
+
+RUN apk add --no-cache pandoc
+
+WORKDIR /var/www/cpolis
+
+COPY . .
+
+RUN go build -o cpolis cmd/main.go
+
+CMD ["./cpolis"]

cmd/backend/config.go

@@ -51,8 +51,8 @@ func newConfig() *Config {
 		MaxImgWidth:       1920,
 		PDFDir:            "/var/www/cpolis/pdfs",
 		PicsDir:           "/var/www/cpolis/pics",
-		Port:              ":8080",
+		Port:              ":1664",
-		Version:           "v0.15.3",
+		Version:           "v0.16.0",
 		WebDir:            "/var/www/cpolis/web",
 	}
 }

docker-compose.yml

@@ -0,0 +1,22 @@
+services:
+  app:
+    build: .
+    ports:
+      - "1664:1664"
+    volumes:
+      - /path/to/serviceAccountKey.json:/var/www/cpolis/serviceAccountKey.json
+      - /var/log/cpolis.log:/var/log/cpolis.log
+    depends_on:
+      - db
+
+  db:
+    image: mariadb:latest
+    environment:
+      MYSQL_ROOT_PASSWORD: example
+      MYSQL_DATABASE: cpolis
+      MYSQL_USER: exampleuser
+      MYSQL_PASSWORD: examplepass
+    ports:
+      - "3306:3306"
+    volumes:
+      - ./path/to/create_db.sql:/docker-entrypoint-initdb.d/create_db.sql