Show openapi docs in release mode

Dockerfile

@@ -19,10 +19,21 @@ COPY ./src ./src
 RUN rm ./target/release/deps/simplify_truths*
 RUN cargo build --release
 
+FROM node:20.14.0 as spec
+
+WORKDIR /spec
+
+COPY ./spec .
+RUN npm install
+RUN USER=root npm install -g @typespec/compiler && npm install -g @redocly/cli
+RUN npm run tsp-compile && npm run redoc-build
+
 FROM debian
 
 # copy the build artifact from the build stage
 COPY --from=build /simplify_truths/target/release/simplify_truths .
+# copy the generated html file for REDOC documentation
+COPY --from=spec /spec/dist/index.html ./openapi/index.html
 
 EXPOSE 8000