Using Alpine variant for Docker

Dockerfile

@@ -1,9 +1,12 @@
-FROM node:17
-
+FROM node:18-alpine
 WORKDIR /usr/src/app
 
-COPY package.json ./
+# Setup Alpine for building "canvas" package
+RUN apk add --no-cache python3 make g++ pkgconfig cairo-dev pango-dev
+
+COPY package.json yarn.lock ./
 RUN yarn install
 COPY . .
+
 EXPOSE 8080
 CMD [ "node", "api/index.js" ]