Switch to Node for final image, install oscaljs

Dockerfile

@@ -1,5 +1,12 @@
 ARG GIT_IMAGE=bitnami/git:2.46.0
 ARG MAVEN_IMAGE=maven:3.9.9-eclipse-temurin-22-alpine
+ARG NODE_IMAGE=node:22-alpine3.20
+ARG TEMURIN_APK_KEY_URL=https://packages.adoptium.net/artifactory/api/security/keypair/public/repositories/apk
+ARG TEMURIN_APK_REPO_URL=https://packages.adoptium.net/artifactory/apk/alpine/main
+ARG TEMURIN_APK_VERSION=temurin-22-jdk
+ARG MAVEN_DEP_PLUGIN_VERSION=3.8.0
+ARG OSCAL_CLI_VERSION=2.0.2
+ARG OSCAL_JS_VERSION=1.4.4
 ARG FEDRAMP_AUTO_GIT_URL=https://github.com/GSA/fedramp-automation.git
 ARG FEDRAMP_AUTO_GIT_REF=feature/external-constraints
 
@@ -37,10 +44,14 @@ LABEL org.opencontainers.image.vendor="GSA Technology Transformation Services"
 LABEL org.opencontainers.image.title="FedRAMP Validation Tools"
 LABEL org.opencontainers.image.description="FedRAMP's tools for validating OSCAL data"
 LABEL org.opencontainers.image.licenses="CC0-1.0"
-ARG OSCAL_CLI_INSTALL_PATH
-COPY --from=cli_downloader /opt/oscal-cli /opt/
-RUN mkdir -p /opt/fedramp/constraints
-COPY --from=fedramp_data_downloader /usr/local/src/fedramp-automation/src/validations/constraints/*.xml /opt/fedramp/constraints
-ENV PATH="$PATH:/opt/oscal-cli/bin"
-WORKDIR /app
+COPY --from=oscal_cli_downloader /opt/oscal-cli /opt/oscal-cli
+COPY --from=fedramp_data_downloader /usr/local/src/fedramp-automation/src/validations/constraints/*.xml /opt/fedramp/constraints/
+RUN wget -O /etc/apk/keys/adoptium.rsa.pub "${TEMURIN_APK_KEY_URL}" && \
+    echo "${TEMURIN_APK_REPO_URL}" >> /etc/apk/repositories && \
+    apk add --no-cache ${TEMURIN_APK_VERSION} && \
+    mkdir -p /opt/fedramp/oscaljs && \
+    mkdir -p /opt/fedramp/constraints && \
+    (cd /opt/fedramp/oscaljs && npm install oscal@${OSCAL_JS_VERSION})
+ENV PATH="$PATH:/opt/oscal-cli/bin:/opt/fedramp/oscaljs/node_modules/.bin"
+WORKDIR /opt/fedramp/constraints
 ENTRYPOINT [ "/opt/oscal-cli/bin/oscal-cli" ]