Add fatrw to docker image

Dockerfile.template

@@ -1,13 +1,17 @@
 ARG ARCH=%%BALENA_ARCH%%
 ARG NODE_VERSION=12.16.2
+ARG FATRW_VERSION=0.1.5
 
 FROM balenalib/$ARCH-alpine-supervisor-base:3.11 as BUILD
 
 ARG ARCH
 ARG NODE_VERSION
+ARG FATRW_VERSION
 ARG NODE_ARCHIVE="node-no-intl-v${NODE_VERSION}-linux-alpine-${ARCH}.tar.gz"
 ARG S3_BASE="https://resin-packages.s3.amazonaws.com"
 ARG NODE_LOCATION="${S3_BASE}/node/v${NODE_VERSION}/${NODE_ARCHIVE}"
+ARG FATRW_ARCHIVE="fatrw-${ARCH}.tar.gz"
+ARG FATRW_LOCATION="https://github.com/balena-os/fatrw/releases/download/v${FATRW_VERSION}/${FATRW_ARCHIVE}"
 
 # DO NOT REMOVE THE cross-build-* COMMANDS
 # The following commands are absolutely needed. When we
@@ -28,15 +32,14 @@ RUN apk add --no-cache \
 	python \
 	curl \
 	binutils \
-	libgcc \
+  libgcc \
 	libstdc++ \
 	libuv \
 	sqlite-libs \
 	sqlite-dev \
 	dmidecode \
 	dbus-dev \
-	procmail
-# procmail is installed for the lockfile binary
+	procmail # procmail is installed for the lockfile binary
 
 COPY build-utils/node-sums.txt .
 
@@ -47,6 +50,15 @@ RUN curl -SLO "${NODE_LOCATION}" \
 	&& rm -f "${NODE_ARCHIVE}" \
 	&& strip /usr/local/bin/node
 
+# Install fatrw
+# TODO: add checksum
+RUN curl -SLO "${FATRW_LOCATION}" && \
+		echo curl -SLO "${FATRW_LOCATION}" && \
+		ls -la "${FATRW_ARCHIVE}" && \
+		tar -xzf "${FATRW_ARCHIVE}" -C /usr/local/bin && \
+		rm -f "${FATRW_ARCHIVE}" && \
+		strip /usr/local/bin/fatrw
+
 COPY package*.json ./
 
 RUN npm ci --build-from-source --sqlite=/usr/lib
@@ -108,6 +120,7 @@ RUN apk add --no-cache \
 WORKDIR /usr/src/app
 
 COPY --from=BUILD /usr/local/bin/node /usr/local/bin/node
+COPY --from=BUILD /usr/local/bin/fatrw /usr/local/bin/fatrw
 COPY --from=BUILD /usr/bin/lockfile /usr/bin/lockfile
 COPY --from=BUILD /usr/src/app/dist ./dist
 COPY --from=BUILD /usr/src/app/package.json ./