small fixes on docker swarm deployment (#265)

* fix COPY with multiple files

* Update Deployment.md

Deployment.md

@@ -20,6 +20,8 @@ as with multi-machine setups. Docker Swarm is part of Docker, so if you have Doc
 
 2. You can edit `configs/config.env` and `configs/config.yaml` to set default passwords for superadmin, minio and mongodb.
 
+2.5: Optionally: run `build-swarm.sh` to build the Docker images locally on your machine (eg. if you've made any changes).
+
 3. Run `run-swarm.sh` to initialize the cluster.
 
 4. Load `http://localhost:9871/` to see the Browsertrix Cloud login page. (The API is also available at: `http://localhost:9871/api/docs`).

frontend/Dockerfile

@@ -11,7 +11,7 @@ ENV GIT_COMMIT_HASH=${GIT_COMMIT_HASH} \
 
 
 WORKDIR /app
-COPY yarn.lock package.json .
+COPY yarn.lock package.json ./
 RUN yarn --frozen-lockfile
 
 COPY lit-localize.json \
@@ -20,7 +20,7 @@ COPY lit-localize.json \
      tsconfig.json \
      webpack.config.js \
      webpack.prod.js \
-     .
+     ./
 
 COPY src ./src/