Reduce `COPY`s

Dockerfile

@@ -1,15 +1,13 @@
-# Use LTS nodejs base image
+# Use LTS Node.js base image
 FROM node:14.15.1-alpine
 
-# video support dependency
+# Video support dependency
 RUN apk add ffmpeg
 
-# install npm dependencies and copy project
+# Install NPM dependencies and copy the project
 WORKDIR /teddit
-COPY package.json /teddit/
-COPY package-lock.json /teddit/
+COPY . /teddit/
 RUN npm install --no-optional
 COPY config.js.template /teddit/config.js
-COPY . /teddit/
 
 CMD npm start