frontend dockerization (#17151)

* frontend dockerized

* run nginx as unprivileged user

* bump node to bugfix version 20.15.1, as per Chainguard requirement

* add Dockerfile

* re-add run.container.sh script

* update dpendabot to include Dockerfile in updates

* resolve new CVE in glibc

* update nginx.conf

---------

Co-authored-by: Joseph Andersen <[email protected]>

Author: devopsmatt

.github/dependabot.yml

@@ -19,6 +19,11 @@ updates:
     directory: "/.environment/docker/docker-compose"
     schedule:
       interval: "weekly"
+  - package-ecosystem: "docker"
+    directory: "/frontend-react"
+    schedule:
+      interval: "weekly"
+    versioning-strategy: digest
 
   # slack-boltjs-app (chatops)
   - package-ecosystem: "gitsubmodule"

frontend-react/.dockerignore

@@ -1,5 +1,5 @@
 .dockerignore
-*.sh
 build
 Dockerfile*
-node_modules
+node_modules
+**/.DS_Store

frontend-react/.nvmrc

@@ -1 +1 @@
-20.15
+20.15.1

frontend-react/Dockerfile

@@ -0,0 +1,56 @@
+# Start with the latest version of hardened builder image
+FROM cgr.dev/chainguard/wolfi-base:latest AS builder
+
+# Install required dependencies
+RUN apk add --no-cache bash curl git ca-certificates libstdc++ coreutils && \
+    update-ca-certificates && \
+    touch ~/.bash_profile
+
+# Get desired Node.js version and install it
+COPY .nvmrc /tmp/.nvmrc
+RUN export NODE_VERSION=$(cat /tmp/.nvmrc | tr -d '[:space:]') && \
+    ARCH=$(uname -m) && \
+    echo $ARCH && \
+    case $ARCH in \
+        x86_64) ARCH_NAME="x64";; \
+        aarch64) ARCH_NAME="arm64";; \
+        *) echo "Unsupported architecture: $ARCH" && exit 1;; \
+    esac && \
+    echo "Architecture: $ARCH_NAME" && \
+    PLATFORM_ARCH="linux-${ARCH_NAME}" && \
+    echo "Platform architecture: $PLATFORM_ARCH https://nodejs.org/dist/v${NODE_VERSION}/node-v${NODE_VERSION}-${PLATFORM_ARCH}.tar.gz" && \
+    echo "Installing Node.js version: ${NODE_VERSION} for $ARCH_NAME" && \
+    DOWNLOAD_URL="https://nodejs.org/dist/v${NODE_VERSION}/node-v${NODE_VERSION}-${PLATFORM_ARCH}.tar.gz" && \
+    echo "Downloading from: $DOWNLOAD_URL" && \
+    curl -fsSL --retry 3 "$DOWNLOAD_URL" -o /tmp/node.tar.gz && \
+    tar -xzf /tmp/node.tar.gz -C /usr/local --strip-components=1 && \
+    rm /tmp/node.tar.gz /tmp/.nvmrc && \
+    echo -n "Node.js installed version: " && node -v && \
+    echo -n "npm installed version: " && npm -v && \
+    apk del glibc # Remove glibc package to resolve CVE CVE-2025-0395
+
+
+# Install yarn and resolve vulnerability in cross-spawn, by upgrading it to a version with resolved CVE
+# Newly found CVEs can be resolved in similar manner - by upgrading to the closest fixed version
+RUN apk add --no-cache yarn && \
+    npm install -g [email protected]
+# Extract Node.js version from the  image
+SHELL ["/bin/ash", "-o", "pipefail", "-c"]
+RUN node --version | awk -F'v' '{print $2}' 
+WORKDIR /app
+# Prep package manager as root and drop privileges
+USER root
+COPY --chown=nonroot . .
+RUN chown nonroot:nonroot ./ && npm install -g corepack
+# Run install/buiuld as unprivileged user
+USER nonroot
+RUN yarn install --immutable && yarn build:production
+
+# Web server stage
+# This image runs as a unprivileged user by default, so there's no need to explicitly set user - see the Note block in the link below for more context
+# https://edu.chainguard.dev/chainguard/chainguard-images/getting-started/nginx/#advanced-usage
+FROM cgr.dev/chainguard/nginx AS server
+COPY nginx.conf /etc/nginx/nginx.conf
+COPY --from=builder /app/build /usr/share/nginx/html
+EXPOSE 8080
+CMD ["nginx", "-g", "daemon off;"]

frontend-react/nginx.conf

@@ -0,0 +1,18 @@
+pid /var/run/nginx.pid;
+
+http {
+  include       mime.types;
+
+  server {
+    listen 8080;
+    server_name localhost;
+
+    location / {
+        root /usr/share/nginx/html;
+        index index.html index.htm;
+        try_files $uri /index.html; # Pass all non-files to our react app
+    }
+  }
+}
+
+events {}

frontend-react/run.container.sh

@@ -0,0 +1 @@
+docker build . --build-arg NODE_VERSION=$(cat .nvmrc) -t rs-frontend:latest