Use %%BALENA_ARCH%% in Dockerfile template

Signed-off-by: Miguel Casqueira <miguel@balena.io>

Dockerfile.template

@@ -0,0 +1,132 @@
+ARG ARCH=%%BALENA_ARCH%%
+ARG NODE_VERSION=12.16.2
+
+FROM balenalib/$ARCH-alpine-supervisor-base:3.11 as BUILD
+
+ARG ARCH
+ARG NODE_VERSION
+ARG NODE_ARCHIVE="node-no-intl-v${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}"
+
+# DO NOT REMOVE THE cross-build-* COMMANDS
+# The following commands are absolutely needed. When we
+# build for ARM architectures, we run this Dockerfile
+# through sed, which uncomments these lines. There were
+# other options for achieving the same setup, but this seems
+# to be the least intrusive. The commands start commented
+# out because the default build for balenaCI is amd64 (and
+# we can't run any sed preprocessing on it there)
+# RUN ["cross-build-start"]
+
+WORKDIR /usr/src/app
+
+RUN apk add --no-cache \
+	g++ \
+	git \
+	make \
+	python \
+	curl \
+	binutils \
+	libgcc \
+	libstdc++ \
+	libuv \
+	sqlite-libs \
+	sqlite-dev \
+	dbus-dev
+
+COPY build-utils/node-sums.txt .
+
+# Install node from balena's prebuilt cache
+RUN curl -SLO "${NODE_LOCATION}" \
+	&& grep "${NODE_ARCHIVE}" node-sums.txt | sha256sum -c - \
+	&& tar -xzf "${NODE_ARCHIVE}" -C /usr/local --strip-components=1 \
+	&& rm -f "${NODE_ARCHIVE}" \
+	&& strip /usr/local/bin/node
+
+COPY package*.json ./
+
+RUN npm ci --build-from-source --sqlite=/usr/lib
+
+# We only run these commands when executing through
+# livepush, so they are presented as livepush directives
+#dev-run=apk add --no-cache ip6tables iptables
+#dev-copy=entry.sh .
+#dev-cmd-live=LIVEPUSH=1 ./entry.sh
+
+COPY build-utils ./build-utils
+COPY webpack.config.js tsconfig.json tsconfig.release.json ./
+COPY src ./src
+COPY test ./test
+COPY typings ./typings
+
+RUN npm run test-nolint \
+	&& npm run build
+
+# Run the production install here, to avoid the npm dependency on
+# the later stage
+RUN npm ci --production --no-optional --unsafe-perm --build-from-source --sqlite=/usr/lib \
+	&& npm cache clean --force \
+	# For some reason this doesn't get cleared with the other
+	# cache
+	&& rm -rf node_modules/.cache \
+	# Remove various uneeded filetypes in order to reduce space
+	# We also remove the spurious node.dtps, see https://github.com/mapbox/node-sqlite3/issues/861
+	&& find . -path '*/coverage/*' -o -path '*/test/*' -o -path '*/.nyc_output/*' \
+		-o -name '*.tar.*'      -o -name '*.in'     -o -name '*.cc' \
+		-o -name '*.c'          -o -name "*.ts"     -o -name '*.eslintrc' \
+		-o -name '*.h'          -o -name '*.html'   -o -name '*.markdown' \
+		-o -name '*.md'         -o -name '*.patch'  -o -name '*.png' \
+		-o -name '*.yml' \
+		-delete \
+	&& find . -type f -path '*/node_modules/sqlite3/deps*' -delete \
+	&& find . -type f -path '*/node_modules/knex/build*' -delete \
+	&& rm -rf node_modules/sqlite3/node.dtps
+
+
+# RUN ["cross-build-end"]
+
+FROM balenalib/$ARCH-alpine-supervisor-base:3.11
+
+# RUN ["cross-build-start"]
+
+RUN apk add --no-cache \
+	ca-certificates \
+	kmod \
+	iptables \
+	ip6tables \
+	rsync \
+	avahi \
+	dbus \
+	libstdc++ \
+	sqlite-libs
+
+WORKDIR /usr/src/app
+
+COPY --from=BUILD /usr/local/bin/node /usr/local/bin/node
+COPY --from=BUILD /usr/src/app/dist ./dist
+COPY --from=BUILD /usr/src/app/package.json ./
+COPY --from=BUILD /usr/src/app/node_modules ./node_modules
+
+COPY entry.sh .
+
+RUN mkdir -p rootfs-overlay && \
+	(([ ! -d rootfs-overlay/lib64 ] && ln -s /lib rootfs-overlay/lib64) || true)
+
+ARG ARCH
+ARG VERSION=master
+ARG DEFAULT_MIXPANEL_TOKEN=bananasbananas
+ENV CONFIG_MOUNT_POINT=/boot/config.json \
+	LED_FILE=/dev/null \
+	SUPERVISOR_IMAGE=balena/$ARCH-supervisor \
+	VERSION=$VERSION \
+	DEFAULT_MIXPANEL_TOKEN=$DEFAULT_MIXPANEL_TOKEN
+COPY avahi-daemon.conf /etc/avahi/avahi-daemon.conf
+
+VOLUME /data
+HEALTHCHECK --interval=5m --start-period=1m --timeout=30s --retries=3 \
+	CMD wget http://127.0.0.1:${LISTEN_PORT:-48484}/v1/healthy -O - -q
+
+# RUN ["cross-build-end"]
+
+CMD ["/usr/src/app/entry.sh"]