build: fix paths to config files

INSTALL.md

@@ -12,7 +12,7 @@ and Docker Compose (version 1.6.0 or greater) already installed.
 2. Configure the application:
 
     ```console
-    user@host:szuru$ cp server/config.yaml.dist config.yaml
+    user@host:szuru$ cp server/config.yaml.dist server/config.yaml
     user@host:szuru$ edit config.yaml
     ```
 

docker-compose.yml.example

@@ -38,7 +38,7 @@ services:
       ## If more customizations that are not covered in `config.yaml.dist` are needed
       ## Comment this line if you are not going
       ## to supply a YAML file
-      - ./config.yaml:/opt/config.yaml
+      - ./server/config.yaml:/opt/app/config.yaml
 
   ## HTTP container for frontend
   frontend:

server/Dockerfile

@@ -3,7 +3,7 @@ WORKDIR /opt/app
 
 COPY alembic.ini wait-for-es generate-thumb ./
 COPY szurubooru/ ./szurubooru/
-COPY config.yaml.dist ../
+COPY config.yaml.dist ./
 
 
 FROM python:3.6-slim