feat(dockerfile): uses node alpine and fixes build needing tools

Signed-off-by: Christopher Angelo <[email protected]>

Dockerfile

@@ -1,17 +1,23 @@
 # Build stage
-FROM node:14 AS build
+FROM node:14-alpine AS build
 WORKDIR /usr/app
 COPY package*.json ./
-RUN yarn install
+# Install build-essentials - https://github.com/mhart/alpine-node/issues/27#issuecomment-390187978
+RUN apk add --no-cache --virtual .build-deps alpine-sdk python \
+ && yarn install \
+ && apk del .build-deps
 COPY . .
 RUN yarn build
 
 # App stage
-FROM node:14 as app
+FROM node:14-alpine as app
 WORKDIR /usr/app
 COPY package*.json ./
 ENV NODE_ENV=production
-RUN yarn install --production
+# Install build-essentials - https://github.com/mhart/alpine-node/issues/27#issuecomment-390187978
+RUN apk add --no-cache --virtual .build-deps alpine-sdk python \
+ && yarn install --production \
+ && apk del .build-deps
 
 COPY --from=build /usr/app/target ./
 VOLUME /usr/app/img