perf: Improving dockerfile

.dockerignore

@@ -0,0 +1,19 @@
+__mocks__
+.git
+.vscode
+.github
+.circleci
+.DS_Store
+.env*
+.eslint*
+.flowconfig
+.log
+Makefile
+Procfile
+app.json
+build
+docker-compose.yml
+fakes3
+flow-typed
+node_modules
+setupJest.js

Dockerfile

@@ -1,18 +1,21 @@
 FROM node:14-alpine
 
-ENV PATH /opt/outline/node_modules/.bin:/opt/node_modules/.bin:$PATH
-ENV NODE_PATH /opt/outline/node_modules:/opt/node_modules
 ENV APP_PATH /opt/outline
 RUN mkdir -p $APP_PATH
 
 WORKDIR $APP_PATH
-COPY . $APP_PATH
 
-RUN yarn install --pure-lockfile
-RUN yarn build
-RUN cp -r /opt/outline/node_modules /opt/node_modules
-ENV NODE_ENV production
+COPY package.json ./
+COPY yarn.lock ./
+
+RUN yarn --pure-lockfile
+
+COPY . .
 
+RUN yarn build && \
+  yarn --production --ignore-scripts --prefer-offline
+
+ENV NODE_ENV production
 CMD yarn start
 
 EXPOSE 3000