build(dockerfiles): split dockerfile into production and dev

Dockerfile

@@ -2,8 +2,6 @@ FROM node:14-alpine3.12
 
 LABEL maintainer="Open Government Products" email="go@open.gov.sg"
 
-ARG BUILD_MODE
-
 # Inject ASSET_VARIANT via build arguments for production
 ARG __ASSET_VARIANT
 ENV ASSET_VARIANT=${__ASSET_VARIANT:-gov}
@@ -29,14 +27,12 @@ RUN npm ci
 
 COPY . ./
 
-RUN if [ "$BUILD_MODE" != "development" ]; \
-then { \
+RUN { \
   echo "Building..."; \
   npm run build; \
   echo "Removing devDependencies for production..."; \
   npm prune --production; \
-} \
-fi
+}
 
 # Builds and starts Node server for production
 CMD ["npm", "run", "start"]

Dockerfile.dev

@@ -0,0 +1,24 @@
+FROM node:14-alpine3.12
+
+LABEL maintainer="Open Government Products" email="go@open.gov.sg"
+
+WORKDIR /usr/src/gogovsg
+
+# For Express server
+EXPOSE 8080
+
+# For dev webpack server only, proxies to localhost:8080
+EXPOSE 3000
+
+RUN apk update && apk add ttf-freefont && rm -rf /var/cache/apk/*
+
+# Installs IBMPlexSans-Regular.ttf for QRCodeService.
+RUN wget https://github.com/IBM/plex/blob/master/IBM-Plex-Sans/fonts/complete/ttf/IBMPlexSans-Regular.ttf?raw=true -O /usr/share/fonts/TTF/IBMPlexSans-Regular.ttf
+RUN fc-cache -f
+
+# Install libraries
+COPY package.json package-lock.json ./
+
+RUN npm ci
+
+COPY . ./

docker-compose.yml

@@ -4,8 +4,7 @@ services:
   app:
     build:
       context: .
-      args:
-        - BUILD_MODE=development
+      dockerfile: Dockerfile.dev
     command: npm run docker-dev
     depends_on:
       - postgres