Untrack config.yml (#1557)

* Untrack config.yml

`config/config.yml` has been untracked and moved to `config/config.example.yml`.

The Dockerfile has been updated to copy all `config/config.*` files and to try
to move `config/config.example.yml` to `config/config.yml`. If a user supplied
`config/config.yml` exists it is not overwritten.

* Update Dockerfile to use `shard.lock`

* Fix tests

.gitignore

@@ -6,3 +6,4 @@
 /.vscode/
 /invidious
 /sentry
+/config/config.yml

docker/Dockerfile

@@ -2,7 +2,8 @@ FROM crystallang/crystal:0.35.1-alpine AS builder
 RUN apk add --no-cache curl sqlite-static
 WORKDIR /invidious
 COPY ./shard.yml ./shard.yml
-RUN shards update && shards install && \
+COPY ./shard.lock ./shard.lock
+RUN shards install && \
     # TODO: Document build instructions
     # See https://github.com/omarroth/boringssl-alpine/blob/master/APKBUILD,
     # https://github.com/omarroth/lsquic-alpine/blob/master/APKBUILD,
@@ -23,7 +24,8 @@ WORKDIR /invidious
 RUN addgroup -g 1000 -S invidious && \
     adduser -u 1000 -S invidious -G invidious
 COPY ./assets/ ./assets/
-COPY --chown=invidious ./config/config.yml ./config/config.yml
+COPY --chown=invidious ./config/config.* ./config/
+RUN mv -n config/config.example.yml config/config.yml
 RUN sed -i 's/host: \(127.0.0.1\|localhost\)/host: postgres/' config/config.yml
 COPY ./config/sql/ ./config/sql/
 COPY ./locales/ ./locales/

spec/helpers_spec.cr

@@ -12,7 +12,7 @@ require "../src/invidious/search"
 require "../src/invidious/trending"
 require "../src/invidious/users"
 
-CONFIG = Config.from_yaml(File.open("config/config.yml"))
+CONFIG = Config.from_yaml(File.open("config/config.example.yml"))
 
 describe "Helper" do
   describe "#produce_channel_videos_url" do