[DO NOT MERGE] Use nodejs-16 Docker baseimage branch

This is just for testing to ensure everything works before we merge pelias/docker-baseimage#24

Dockerfile

@@ -1,5 +1,5 @@
 # build the libpostal-server binary separately
-FROM pelias/libpostal_baseimage as builder
+FROM pelias/libpostal_baseimage:nodejs-16 as builder
 
 RUN apt-get update && apt-get install -y make pkg-config
 
@@ -13,7 +13,7 @@ RUN git clone https://github.com/whosonfirst/go-whosonfirst-libpostal.git .
 RUN make bin
 
 # start of main image
-FROM pelias/libpostal_baseimage
+FROM pelias/libpostal_baseimage:nodejs-16
 
 COPY --from=builder /code/go-whosonfirst-libpostal/bin/wof-libpostal-server /bin/