Dockerize the app

Dockerfile

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+FROM golang:1.11-alpine
+
+WORKDIR /app
+
+RUN apk add git && \
+    go get -u -v gitlab.com/pztrn/fastpastebin/cmd/fastpastebin
+
+FROM alpine:3.10
+LABEL maintainer "Stanislav N. <pztrn@pztrn.name>"
+
+COPY --from=0 /go/bin/fastpastebin /app/fastpastebin
+COPY examples/fastpastebin.yaml.docker /app/fastpastebin.yaml
+
+EXPOSE 25544
+ENTRYPOINT [ "/app/fastpastebin", "-config", "/app/fastpastebin.yaml" ]

docker-compose.yml

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+version: "3"
+
+volumes:
+  mysql:
+
+services:
+  database:
+    image: mariadb:10.3
+    container_name: database
+    restart: always
+    volumes:
+      - mysql:/var/lib/mysql
+    environment:
+      - MYSQL_RANDOM_ROOT_PASSWORD=yes
+      - MYSQL_DATABASE=fastpastebin
+      - MYSQL_USER=fastpastebin
+      - MYSQL_PASSWORD=fastpastebin
+  fastpastebin:
+    build: .
+    image: fastpastebin
+    container_name: fastpastebin
+    restart: always
+    depends_on:
+      - database
+    volumes:
+      - ./examples/fastpastebin.yaml.docker:/app/fastpastebin.yaml:ro
+    # ports:
+    #   - 25544:25544
+  web:
+    image: nginx:1.16-alpine
+    container_name: nginx
+    volumes:
+      - ./examples/nginx.conf:/etc/nginx/conf.d/default.conf:ro
+    ports:
+      - 8080:80
+    depends_on:
+      - fastpastebin

examples/fastpastebin.yaml.docker

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+database:
+  type: "mysql"
+  path: "./data"
+  address: "database"
+  port: "3306"
+  username: "fastpastebin"
+  password: "fastpastebin"
+  database: "fastpastebin"
+
+logging:
+  log_to_file: false
+  filename: ""
+  # Log level. Acceptable parameters: DEBUG, INFO, WARN, ERROR, FATAL, PANIC.
+  loglevel: "DEBUG"
+
+http:
+  address: "0.0.0.0"
+  port: "25544"
+  allow_insecure: true
+
+pastes:
+  pagination: 10

examples/nginx.conf

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+server {
+    listen 80 default_server;
+    location / {
+        proxy_pass http://fastpastebin:25544;
+        proxy_set_header Host $Host;
+        proxy_set_header X-Real-IP $remote_addr;
+        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+        proxy_set_header X-Forwarded-Proto $scheme;
+    }
+}