Change how docker-compose maps volumes

Only a handful of locations are shared with the docker-compose file,
instead of the entire directory, to prevent build files from being
overwritten by root.

Signed-off-by: Alek Ratzloff <alekratz@gmail.com>

Dockerfile

@@ -21,7 +21,6 @@ ENV PATH="/root/.cargo/bin:$PATH"
 RUN mkdir /app
 WORKDIR /app
 
-
 RUN mix local.hex --force
 RUN mix local.rebar --force
 

docker-compose.yml

@@ -4,9 +4,10 @@ services:
     build: .
     env_file: docker.env
     volumes:
-      - ".:/app"
-      # ignore build data
-      - "/app/_build"
-      - "/app/deps"
+      - "./mix.exs:/app/mix.exs"
+      - "./lib:/app/lib"
+      - "./config:/app/config"
+      - "./data:/app/data"
+      - "./omnibot.exs:/app/omnibot.exs"
     working_dir: "/app"
     restart: always

lib/contrib/markov/markov.ex

@@ -4,7 +4,7 @@ defmodule Omnibot.Contrib.Markov do
   require Logger
 
   @default_config [
-    save_dir: "markov",
+    save_dir: "data/markov",
     order: 2,
     save_every: 5 * 60,
     ignore: [],

lib/contrib/wordbot/wordbot.ex

@@ -3,7 +3,7 @@ defmodule Omnibot.Contrib.Wordbot do
   alias Omnibot.{Contrib.Wordbot, Irc, Util}
   require Logger
 
-  @default_config wordbot_source: "words.txt", wordbot_db: "wordbot.db", words_per_round: 300, hours_per_round: 5, ignore: []
+  @default_config wordbot_source: "data/wordbot/words.txt", wordbot_db: "data/wordbot/wordbot.db", words_per_round: 300, hours_per_round: 5, ignore: []
 
   @impl true
   def children(cfg) do