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

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

docs/deployment/docker.md

@@ -56,7 +56,7 @@ Once the host build is complete, we are ready to build our image. The following
 `Dockerfile` is included when creating a new app with `@backstage/create-app`:
 
 ```Dockerfile
-FROM node:14-buster-slim
+FROM node:16-bullseye-slim
 
 WORKDIR /app
 # Copy repo skeleton first, to avoid unnecessary docker cache invalidation.
@@ -65,6 +65,12 @@ 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.
@@ -134,23 +140,28 @@ the repo root:
 
 ```Dockerfile
 # Stage 1 - Create yarn install skeleton layer
-FROM node:14-buster-slim AS packages
+FROM node:16-bullseye-slim AS packages
 
 WORKDIR /app
 COPY package.json yarn.lock ./
 
 COPY packages packages
+
 # Comment this out if you don't have any internal plugins
 COPY plugins plugins
 
 RUN find packages \! -name "package.json" -mindepth 2 -maxdepth 2 -exec rm -rf {} \+
 
 # Stage 2 - Install dependencies and build packages
-FROM node:14-buster-slim AS build
+FROM node:16-bullseye-slim AS build
 
 WORKDIR /app
 COPY --from=packages /app .
 
+# install sqlite3 dependencies
+RUN apt-get update && apt-get install -y libsqlite3-dev python3 cmake g++ && \
+    yarn config set python /usr/bin/python3
+
 RUN yarn install --frozen-lockfile --network-timeout 600000 && rm -rf "$(yarn cache dir)"
 
 COPY . .
@@ -159,7 +170,7 @@ RUN yarn tsc
 RUN yarn --cwd packages/backend backstage-cli backend:bundle --build-dependencies
 
 # Stage 3 - Build the actual backend image and install production dependencies
-FROM node:14-buster-slim
+FROM node:16-bullseye-slim
 
 WORKDIR /app
 
@@ -167,6 +178,12 @@ WORKDIR /app
 COPY --from=build /app/yarn.lock /app/package.json /app/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 600000 && rm -rf "$(yarn cache dir)"
 
 # Copy the built packages from the build stage