revert FIPS Dockerfile to Ubuntu 22.04

Ubuntu 22.04 is required for production and matches the v20 FIPS build.
The earlier 403 errors were transient rate-limiting, not a fundamental issue.

Co-Authored-By: Claude (global.anthropic.claude-opus-4-5-20251101-v1:0) <noreply@anthropic.com>

Author: JackStrohm-asana

Dockerfile.Node20fips

@@ -0,0 +1,29 @@
+# Stage 1
+FROM ubuntu:22.04 AS base
+ARG ENABLE_FIPS
+ARG DYNAMIC_LINK
+ARG SHARED_OPENSSL_INCLUDES
+ARG SHARED_OPENSSL_LIBNAME
+ARG SHARED_OPENSSL_LIBPATH
+
+# Set non-interactive mode to avoid prompts during installation
+ENV DEBIAN_FRONTEND=noninteractive
+
+# Install necessary dependencies
+RUN apt-get update
+RUN apt-get install -y software-properties-common
+RUN add-apt-repository -y ppa:ubuntu-toolchain-r/test
+RUN apt-get update && apt-get install -y build-essential python3 python3-distutils g++-10 make curl git pkg-config libssl-dev libffi-dev libgmp-dev libtool autoconf automake cmake wget xz-utils unzip vim
+RUN rm -rf /var/lib/apt/lists/*
+
+# Set g++ 10 as the default
+RUN update-alternatives --install /usr/bin/g++ g++ /usr/bin/g++-10 100
+
+# Copy local Node.js source into the image
+WORKDIR /usr/src/node
+COPY . .
+
+RUN ./configure --shared-openssl --experimental-enable-pointer-compression --openssl-conf-name 'openssl_conf'
+RUN make -j4 install DESTDIR=./node-install
+
+CMD ["bash"]

Dockerfile.Node22fips

@@ -1,5 +1,5 @@
 # Stage 1
-FROM ubuntu:20.04 AS base
+FROM ubuntu:22.04 AS base
 
 # Set non-interactive mode to avoid prompts during installation
 ENV DEBIAN_FRONTEND=noninteractive