Все Docker штуки опущены в директорию docker.

Production Docker контейнер теперь использует alpine linux вместо пустого scratch
В production Docker контейнер добавлен docker-entrypoint.sh, который автоматически создаёт конфиг по умолчанию.

.gitignore

@@ -2,14 +2,14 @@
 /.idea
 
 # Docker Compose file
-docker-compose.yml
-docker-compose.override.yml
+/docker-compose.yml
+/docker-compose.override.yml
 
 # vendor
-vendor
+/vendor
 
 # Cover output
 .cover
 
 # Local config
-config.yml
+/config.yml

.gitlab-ci.yml

@@ -55,7 +55,7 @@ build docker image:
   <<: *setup_docker_environment
   stage: build_docker_image
   script:
-    - docker build -t $TEMP_IMAGE_NAME .
+    - docker build -t $TEMP_IMAGE_NAME -f docker/Dockerfile .
   only:
     - tags
     - develop

Dockerfile

@@ -1,6 +0,0 @@
-FROM scratch
-
-COPY ./minecraft-skinsystem /app/
-
-ENTRYPOINT ["/app/minecraft-skinsystem"]
-CMD ["serve"]

README.md

@@ -30,8 +30,8 @@ ENV переменными.
 [docker-compose](https://docs.docker.com/compose/install/).
 
 Для запуска последней версии проекта достаточно скопировать содержимое файла
-[docker-compose.prod.yml](docker-compose.prod.yml) в файл `docker-compose.yml` непосредственно на месте
-установки, после чего ввести в консоль команду:
+[docker/docker-compose.prod.yml](docker/docker-compose.prod.yml) в файл `docker-compose.yml` непосредственно
+на месте установки, после чего ввести в консоль команду:
 
 ```sh
 docker-compose up -d
@@ -63,11 +63,11 @@ dep ensure
 затачиваем его под себя.
 
 Redis можно установить в систему самостоятельно, но гораздо удобнее воспользоваться готовыми сервисами,
-описанными в [docker-compose.dev.yml](docker-compose.dev.yml). Для этого просто копируем `docker-compose.dev.yml`
-и поднимаем сервисы:
+описанными в [docker/docker-compose.dev.yml](docker/docker-compose.dev.yml). Для этого просто копируем
+`docker-compose.dev.yml` и поднимаем сервисы:
 
 ```sh
-cp docker-compose.dev.yml docker-compose.yml
+cp docker/docker-compose.dev.yml docker-compose.yml
 docker-compose up -d
 ```
 

cmd/root.go

@@ -34,7 +34,7 @@ func initConfig() {
 		viper.SetConfigFile(cfgFile)
 	} else {
 		viper.SetConfigName("config")
-		viper.AddConfigPath("/data")
+		viper.AddConfigPath("/etc/minecraft-skinsystem")
 		viper.AddConfigPath(".")
 	}
 

docker/Dockerfile

@@ -0,0 +1,9 @@
+FROM alpine:3.6
+
+COPY docker/docker-entrypoint.sh /usr/local/bin/
+COPY docker/config.dist.yml /usr/local/etc/minecraft-skinsystem/
+
+COPY minecraft-skinsystem /usr/local/bin/
+
+ENTRYPOINT ["docker-entrypoint.sh"]
+CMD ["serve"]

docker/config.dist.yml

@@ -0,0 +1,51 @@
+# Main server configuration. Actually you don't want to change it,
+# but you able to change host or port, that will be used by serve command
+server:
+  host: # leave host empty to allow Docker publish port
+  port: 80
+
+# Worker listen to AMQP events, so it should know how to connect to any
+# AMQP provider (actually RabbitMQ). You should not escape any vhost
+# characters, 'cause it will be done by application automatically
+amqp:
+  host: rabbitmq
+  port: 5672
+  username: minecraft-skinsystem-app
+  password: minecraft-skinsystem-app-password
+  vhost: /
+
+# Both of web or worker depends on storage.
+storage:
+  # For now app require Redis and don't support any other backends to store
+  # skins, but in the future we can have more backends. Poll size tune amount
+  # of connections to the redis. It's not recommended to set it less then 2
+  # because it will lead to panic on high load.
+  redis:
+    host: redis
+    port: 6379
+    poolSize: 10
+
+  # Filesystem storage used to store capes. basePath specify absolute or relative
+  # path to storage and capesDirName specify which folder in this base path will
+  # be used to search capes.
+  filesystem:
+    basePath: /data
+    capesDirName: capes
+
+# Accounts Ely.by internal API will be used in cases, when by some reasons
+# information about user will be unavailable in the app storage.
+api:
+  accounts:
+    host: https://account.ely.by
+    id: app-id
+    secret: secret
+    scopes:
+      - internal_account_info
+
+# StatsD can be used to collect metrics
+# statsd:
+#   addr: localhost:3746
+
+# Sentry can be used to collect app errors
+# sentry:
+#   dsn: https://public:private@your.sentry.io/1

docker/docker-compose.dev.yml

@@ -3,7 +3,7 @@
 #
 # Usage:
 # 1. Clone this file as docker-compose.yml:
-#    cp docker-compose.dev.yml docker-compose.yml
+#    cp docker/docker-compose.dev.yml docker-compose.yml
 #
 # 2. If necessary, then you can fix configuration to your environment.
 #    Then start all services:

docker/docker-compose.prod.yml

@@ -9,6 +9,7 @@ services:
       - redis
     volumes:
       - ./data/capes:/data/capes
+      - ./config/minecraft-skinsystem:/etc/minecraft-skinsystem
 
   worker:
     image: registry.ely.by/elyby/skinsystem:latest
@@ -28,6 +29,6 @@ services:
     image: rabbitmq:3.6-alpine
     restart: always
     environment:
-      RABBITMQ_DEFAULT_USER: "ely-skinsystem-app"
-      RABBITMQ_DEFAULT_PASS: "ely-skinsystem-app-password"
-      RABBITMQ_DEFAULT_VHOST: "/ely"
+      RABBITMQ_DEFAULT_USER: minecraft-skinsystem-app
+      RABBITMQ_DEFAULT_PASS: minecraft-skinsystem-app-password
+      RABBITMQ_DEFAULT_VHOST: /

docker/docker-entrypoint.sh

@@ -0,0 +1,15 @@
+#!/bin/sh
+set -e
+
+CONFIG="/etc/minecraft-skinsystem/config.yml"
+
+if [ ! -f "$CONFIG" ]; then
+    mkdir -p $(dirname "${CONFIG}")
+    cp /usr/local/etc/minecraft-skinsystem/config.dist.yml "$CONFIG"
+fi
+
+if [ "$1" = "serve" ] || [ "$1" = "amqp-worker" ]; then
+    set -- minecraft-skinsystem "$@"
+fi
+
+exec "$@"