update Dockerfile to node:16-bullseye-slim, add sqlite3 dependencies

Signed-off-by: Lorenzo Orsatti <49567430+lorsatti@users.noreply.github.com>

packages/backend/Dockerfile

@@ -9,7 +9,7 @@
 #
 # Once the commands have been run, you can build the image using `yarn build-image`
 
-FROM node:14-buster-slim
+FROM node:16-bullseye-slim
 
 WORKDIR /app
 
@@ -19,6 +19,12 @@ WORKDIR /app
 COPY yarn.lock package.json packages/backend/dist/skeleton.tar.gz ./
 RUN tar xzf skeleton.tar.gz && rm skeleton.tar.gz
 
+# install sqlite3 dependencies
+RUN apt-get update && \
+    apt-get install -y libsqlite3-dev python3 cmake g++ && \
+    rm -rf /var/lib/apt/lists/* && \
+    yarn config set python /usr/bin/python3
+
 RUN yarn install --frozen-lockfile --production --network-timeout 300000 && rm -rf "$(yarn cache dir)"
 
 # Then copy the rest of the backend bundle, along with any other files we might want.