simplify docker image build

changes contributed by @modem7

fixes #461

.github/workflows/docker-build.yaml

@@ -74,13 +74,6 @@ jobs:
         uses: actions/checkout@v2
       - name: "Populate frontend version information"
         run: "cd webapp/frontend && ./git.version.sh"
-      - name: "Install Node"
-        uses: actions/setup-node@v3
-        with:
-          node-version: 16
-      - name: "Generate frontend"
-        run: |
-          make binary-frontend && echo "print contents of ./dist" && ls -alt ./dist
       - name: Set up QEMU
         uses: docker/setup-qemu-action@v2
         with:
@@ -132,13 +125,6 @@ jobs:
         uses: actions/checkout@v2
       - name: "Populate frontend version information"
         run: "cd webapp/frontend && ./git.version.sh"
-      - name: "Install Node"
-        uses: actions/setup-node@v3
-        with:
-          node-version: 16
-      - name: "Generate frontend"
-        run: |
-          make binary-frontend && echo "print contents of ./dist" && ls -alt ./dist
       - name: Set up QEMU
         uses: docker/setup-qemu-action@v2
         with:

.github/workflows/docker-nightly.yaml

@@ -19,13 +19,6 @@ jobs:
         uses: actions/checkout@v2
       - name: "Populate frontend version information"
         run: "cd webapp/frontend && ./git.version.sh"
-      - name: "Install Node"
-        uses: actions/setup-node@v3
-        with:
-          node-version: 16
-      - name: "Generate frontend"
-        run: |
-          make binary-frontend && echo "print contents of ./dist" && ls -alt ./dist
       - name: Set up QEMU
         uses: docker/setup-qemu-action@v2
         with:

Makefile

@@ -100,7 +100,7 @@ binary-frontend: export NPM_CONFIG_LOGLEVEL = warn
 binary-frontend: export NG_CLI_ANALYTICS = false
 binary-frontend:
 	cd webapp/frontend
-	npm install -g @angular/cli@9.1.4
+	npm install -g @angular/cli@v13-lts
 	mkdir -p $(CURDIR)/dist
 	npm ci
 	npm run build:prod -- --output-path=$(CURDIR)/dist

docker/Dockerfile

@@ -1,51 +1,64 @@
+# syntax=docker/dockerfile:1.4
 ########################################################################################################################
 # Omnibus Image
-# NOTE: this image requires the `make binary-frontend` target to have been run before `docker build` The `dist` directory must exist.
 ########################################################################################################################
 
+######## Build the frontend
+FROM --platform=${BUILDPLATFORM} node AS frontendbuild
+WORKDIR /go/src/github.com/analogj/scrutiny
+COPY --link . /go/src/github.com/analogj/scrutiny
+
+RUN make binary-frontend
+
 
-########
+######## Build the backend
 FROM golang:1.20-bullseye as backendbuild
 
 WORKDIR /go/src/github.com/analogj/scrutiny
-COPY . /go/src/github.com/analogj/scrutiny
+COPY --link . /go/src/github.com/analogj/scrutiny
 RUN make binary-clean binary-all WEB_BINARY_NAME=scrutiny
 
 
-########
+######## Combine build artifacts in runtime image
 FROM debian:bullseye-slim as runtime
 ARG TARGETARCH
 EXPOSE 8080
 WORKDIR /opt/scrutiny
 ENV PATH="/opt/scrutiny/bin:${PATH}"
 ENV INFLUXD_CONFIG_PATH=/opt/scrutiny/influxdb
+ENV S6VER="1.21.8.0"
+ENV INFLUXVER="2.2.0"
 
-RUN apt-get update && apt-get install -y cron smartmontools ca-certificates curl tzdata \
+RUN apt-get update && DEBIAN_FRONTEND=noninteractive \
+    apt-get install -y --no-install-recommends \
+    ca-certificates \
+    cron \
+    curl \
+    smartmontools \
+    tzdata \
     && update-ca-certificates \
     &&  case ${TARGETARCH} in \
             "amd64")  S6_ARCH=amd64  ;; \
             "arm64")  S6_ARCH=aarch64  ;; \
         esac \
-    && curl https://github.com/just-containers/s6-overlay/releases/download/v1.21.8.0/s6-overlay-${S6_ARCH}.tar.gz -L -s --output /tmp/s6-overlay-${S6_ARCH}.tar.gz \
+    && curl https://github.com/just-containers/s6-overlay/releases/download/v${S6VER}/s6-overlay-${S6_ARCH}.tar.gz -L -s --output /tmp/s6-overlay-${S6_ARCH}.tar.gz \
     && tar xzf /tmp/s6-overlay-${S6_ARCH}.tar.gz -C / \
     && rm -rf /tmp/s6-overlay-${S6_ARCH}.tar.gz \
-    && curl -L https://dl.influxdata.com/influxdb/releases/influxdb2-2.2.0-${TARGETARCH}.deb --output /tmp/influxdb2-2.2.0-${TARGETARCH}.deb \
+    && curl -L https://dl.influxdata.com/influxdb/releases/influxdb2-${INFLUXVER}-${TARGETARCH}.deb --output /tmp/influxdb2-${INFLUXVER}-${TARGETARCH}.deb \
-    && dpkg -i --force-all /tmp/influxdb2-2.2.0-${TARGETARCH}.deb \
+    && dpkg -i --force-all /tmp/influxdb2-${INFLUXVER}-${TARGETARCH}.deb \
     && rm -rf /tmp/influxdb2-2.2.0-${TARGETARCH}.deb
 
 COPY /rootfs /
 
-COPY /rootfs/etc/cron.d/scrutiny /etc/cron.d/scrutiny
+COPY --link --from=backendbuild --chmod=755 /go/src/github.com/analogj/scrutiny/scrutiny /opt/scrutiny/bin/
-COPY --from=backendbuild /go/src/github.com/analogj/scrutiny/scrutiny /opt/scrutiny/bin/
+COPY --link --from=backendbuild --chmod=755 /go/src/github.com/analogj/scrutiny/scrutiny-collector-metrics /opt/scrutiny/bin/
-COPY --from=backendbuild /go/src/github.com/analogj/scrutiny/scrutiny-collector-metrics /opt/scrutiny/bin/
+COPY --link --from=frontendbuild --chmod=644 /go/src/github.com/analogj/scrutiny/dist /opt/scrutiny/web
+
 COPY dist /opt/scrutiny/web
-RUN chmod +x /opt/scrutiny/bin/scrutiny && \
+RUN chmod 0644 /etc/cron.d/scrutiny && \
-    chmod +x /opt/scrutiny/bin/scrutiny-collector-metrics && \
-    chmod 0644 /etc/cron.d/scrutiny && \
     rm -f /etc/cron.daily/* && \
     mkdir -p /opt/scrutiny/web && \
     mkdir -p /opt/scrutiny/config && \
     chmod -R ugo+rwx /opt/scrutiny/config
 
-
 CMD ["/init"]

docker/Dockerfile.web

@@ -1,20 +1,25 @@
+# syntax=docker/dockerfile:1.4
 ########################################################################################################################
 # Web Image
-# NOTE: this image requires the `make binary-frontend` target to have been run before `docker build` The `dist` directory must exist.
 ########################################################################################################################
 
+######## Build the frontend
+FROM --platform=${BUILDPLATFORM} node AS frontendbuild
+WORKDIR /go/src/github.com/analogj/scrutiny
+COPY --link . /go/src/github.com/analogj/scrutiny
+
+RUN make binary-frontend
 
-########
+######## Build the backend
 FROM golang:1.20-bullseye as backendbuild
 
 WORKDIR /go/src/github.com/analogj/scrutiny
-
+COPY --link . /go/src/github.com/analogj/scrutiny
-COPY . /go/src/github.com/analogj/scrutiny
 
 RUN make binary-clean binary-all WEB_BINARY_NAME=scrutiny
 
 
-########
+######## Combine build artifacts in runtime image
 FROM debian:bullseye-slim as runtime
 EXPOSE 8080
 WORKDIR /opt/scrutiny
@@ -22,10 +27,9 @@ ENV PATH="/opt/scrutiny/bin:${PATH}"
 
 RUN apt-get update && apt-get install -y ca-certificates curl tzdata && update-ca-certificates
 
-COPY --from=backendbuild /go/src/github.com/analogj/scrutiny/scrutiny /opt/scrutiny/bin/
+COPY --link --from=backendbuild --chmod=755 /go/src/github.com/analogj/scrutiny/scrutiny /opt/scrutiny/bin/
-COPY dist /opt/scrutiny/web
+COPY --link --from=frontendbuild --chmod=644 /go/src/github.com/analogj/scrutiny/dist /opt/scrutiny/web
-RUN chmod +x /opt/scrutiny/bin/scrutiny && \
+RUN mkdir -p /opt/scrutiny/web && \
-    mkdir -p /opt/scrutiny/web && \
     mkdir -p /opt/scrutiny/config && \
     chmod -R ugo+rwx /opt/scrutiny/config
 CMD ["/opt/scrutiny/bin/scrutiny", "start"]