fix: add missing migrations folder

Dockerfile

@@ -14,10 +14,11 @@ RUN apk add --no-cache \
  && GOPATH=`pwd`:`pwd`/vendor go build -o bin/import_synapse ./src/github.com/turt2live/matrix-media-repo/cmd/import_synapse/ \
  && cp bin/media_repo bin/import_synapse /usr/local/bin \
  && cp config.sample.yaml /etc/media-repo.yaml.sample \
+ && cp -R migrations /var/lib/media-repo-migrations \
  && cd / \
  && rm -rf /tmp/* \
  && apk del build-deps
 
 COPY root /
-VOLUME /data
+VOLUME ["/data", "/media"]
 EXPOSE 8000

root/etc/s6.d/media-repo/run

@@ -1,10 +1,9 @@
 #!/usr/bin/env sh
-
-chown -R ${UID}:${GID} /data
 cd /data
-
 if [ ! -f media-repo.yaml ]; then
     cp /etc/media-repo.yaml.sample media-repo.yaml
 fi
+cp -R /var/lib/media-repo-migrations migrations
+chown -R ${UID}:${GID} /data
 
 exec su-exec ${UID}:${GID} media_repo