add cleanup tasks and chainguard/node image

Dockerfile

@@ -1,47 +1,34 @@
 ARG ALPINE_V=3.18
-FROM --platform=$BUILDPLATFORM alpine:${ALPINE_V} as build-base
+FROM --platform=$BUILDPLATFORM alpine:${ALPINE_V} AS build-base
 
-ARG TAR_V=1.34
 RUN apk update && \
-    apk add --no-cache curl xz busybox gcc g++ make musl-dev nodejs npm && \
-    curl -fsSL http://ftp.gnu.org/gnu/tar/tar-${TAR_V}.tar.gz -o tar-${TAR_V}.tar.gz && \
-    tar -xzf tar-${TAR_V}.tar.gz && \
-    cd tar-${TAR_V} && \
-    export FORCE_UNSAFE_CONFIGURE=1 && \
-    ./configure && \
-    make && \
-    make install && \
-    cd .. && \
-    rm -rf tar-${TAR_V} tar-${TAR_V}.tar.gz
-
-FROM build-base as build
+    apk add --no-cache curl xz busybox gcc g++ make musl-dev nodejs npm
 
+FROM build-base AS build
 RUN mkdir -p /opt/app
 WORKDIR /opt/app
 COPY . .
 RUN npm install
-RUN npm run build
 
-FROM --platform=$TARGETPLATFORM cgr.dev/chainguard/wolfi-base as wolfi-node
-ENV USER="rocketalert"
+FROM build AS cleanup
+RUN find /opt/app -name "*.md" -type f -exec rm -f {} + && \
+    find /opt/app -name ".DS_Store" -type f -exec rm -f {} + && \
+    find /opt/app -name ".vscode" -type d -exec rm -rf {} + && \
+    find /opt/app -name ".gitlab" -type d -exec rm -rf {} + && \
+    find /opt/app -name ".dockerignore" -type f -exec rm -f {} + && \
+    find /opt/app -name "docker-compose.yml" -type f -exec rm -f {} + && \
+    find /opt/app -name "Dockerfile" -type f -exec rm -f {} +
 
-RUN mkdir -p /opt/app && \
-    adduser -D ${USER} && \
-    chown -R ${USER}:${USER} /opt/app
+FROM --platform=$TARGETPLATFORM cgr.dev/chainguard/node:latest AS wolfi-node
+ENV USER="node"
 
-#USER ${USER}
+WORKDIR /app
+COPY --from=cleanup --chown=${USER}:${USER} /opt/app /app
 
-COPY --from=build --chown=${USER}:${USER} /usr/local /usr/local
-COPY --from=build --chown=${USER}:${USER} /usr/lib /usr/lib
-COPY --from=build --chown=${USER}:${USER} /usr/bin/node /usr/bin/node
-COPY --from=build --chown=${USER}:${USER} /usr/bin/npm /usr/bin/npm
+RUN npm install
 
-WORKDIR /opt/app
-COPY --from=build --chown=${USER}:${USER} /opt/app/build ./build
-COPY --from=build --chown=${USER}:${USER} /opt/app/node_modules ./node_modules
-COPY --from=build --chown=${USER}:${USER} /opt/app/package.json ./
-COPY --from=build --chown=${USER}:${USER} /opt/app/package-lock.json ./
-
-# FIXME: /bin/ash: node: not found - https://edu.chainguard.dev/chainguard/chainguard-images/getting-started/node/
-CMD ["/usr/bin/node", "npm", "start"]
-EXPOSE 3000
+HEALTHCHECK --interval=30s --timeout=10s --start-period=5s --retries=3 \
+  CMD curl -f http://localhost:3000/ || exit 1
+
+CMD ["node", "src/App.js"]
+EXPOSE 3000