From f4cbb799cc31acc80fec95af5213bbd56286a575 Mon Sep 17 00:00:00 2001
From: Scot Lunsford <slunsford@mitre.org>
Date: Wed, 20 May 2026 16:28:46 -0500
Subject: [PATCH 1/2] Add live reload TAXII dev workflow

---
 Dockerfile                                    | 23 ++++++++++++-------
 src/main.ts                                   |  1 +
 src/taxii/controllers/root/root.controller.ts |  5 ++--
 3 files changed, 19 insertions(+), 10 deletions(-)

diff --git a/Dockerfile b/Dockerfile
index b2eca2c..64d19c7 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -3,7 +3,7 @@
 # unexpected behavior.
 # Since we are using the multi-stage build feature, we are also using the AS statement to name the image development.
 # The name here can be anything; it is only to reference the image later on.
-FROM node:current-alpine3.14 AS development
+FROM node:22-alpine AS development
 
 # Set the working directory within the container to /app. After setting WORKDIR, each command Docker executes (defined
 # in the RUN statement) will be executed in the specified context.
@@ -13,21 +13,28 @@ WORKDIR /app
 # install command. Once it finishes, we copy the rest of our application’s files into the Docker container.
 COPY package*.json ./
 
-# Here we install only devDependencies due to the container being used as a “builder” that takes all the necessary tools
-# to build the application and later send a clean /dist folder to the production image.
-RUN npm install --only=development
+RUN npm ci
 
 COPY . .
+RUN mkdir -p /app-seed && cp -R src /app-seed/src
+
+ENV CHOKIDAR_USEPOLLING=true
+
+EXPOSE 8000
+
+CMD ["sh", "-c", "if [ ! -f src/main.ts ]; then cp -R /app-seed/src/. src/; fi; exec npm run start:dev"]
 
 # Finally, we make sure the app is built in the /dist folder. Since our application uses TypeScript and other build-time
-# dependencies, we have to execute this command in the development image.
+# dependencies, we have to execute this command in a build image derived from the development image.
+FROM development AS build
+
 RUN npm run build
 
 # By using the FROM statement again, we are telling Docker that it should create a new, fresh image without any
 # connection to the previous one. This time we are naming it production.
 # Thanks to the multi-stage build feature, we can keep our final image (here called production) as slim as possible by
 # keeping all the unnecessary bloat in the development image.
-FROM node:current-alpine3.14 AS production
+FROM node:22-alpine AS production
 
 # Define build arguments
 ARG VERSION=dev
@@ -73,11 +80,11 @@ COPY ecosystem.config.js .
 
 # Here we copy the built /dist folder from the development image. This way we are only getting the /dist directory,
 # without the devDependencies, installed in our final image.
-COPY --from=development /app/dist ./dist
+COPY --from=build /app/dist ./dist
 
 # Copy .env file and optional SSL keys (public-certificate.pem + private-key.pem) to image
 RUN mkdir config
 RUN cp config/*pem dist/config/ | true
 
 # Here we define the default command to execute when the image is run.
-CMD ["pm2-runtime", "ecosystem.config.js"]
\ No newline at end of file
+CMD ["pm2-runtime", "ecosystem.config.js"]
diff --git a/src/main.ts b/src/main.ts
index 4ecb795..5041cd4 100644
--- a/src/main.ts
+++ b/src/main.ts
@@ -12,6 +12,7 @@ import { TaxiiConfigModule, TaxiiConfigService } from './config';
  * Starts the Nest.js application
  */
 export async function bootstrap() {
+  // Dev watch validation marker.
   // ** Initialize Express adapter ** //
   const server: express.Express = express();
 
diff --git a/src/taxii/controllers/root/root.controller.ts b/src/taxii/controllers/root/root.controller.ts
index 9818b18..d07a35e 100644
--- a/src/taxii/controllers/root/root.controller.ts
+++ b/src/taxii/controllers/root/root.controller.ts
@@ -18,9 +18,10 @@ export class RootController {
   }
 
   @Get('/health/ping')
-  @HttpCode(HttpStatus.NO_CONTENT)
-  healthPing(): void {
+  @HttpCode(HttpStatus.OK)
+  healthPing(): string {
     this.logger.debug('Health ping.');
+    return 'taxii live reload worx!';
   }
 
   @ApiOkResponse({

From 6db6d4a559a7e09bd8658794a4503dc7513b5435 Mon Sep 17 00:00:00 2001
From: Scot Lunsford <slunsford@mitre.org>
Date: Wed, 20 May 2026 16:29:01 -0500
Subject: [PATCH 2/2] Back out live reload demo markers

---
 src/main.ts                                   | 1 -
 src/taxii/controllers/root/root.controller.ts | 5 ++---
 2 files changed, 2 insertions(+), 4 deletions(-)

diff --git a/src/main.ts b/src/main.ts
index 5041cd4..4ecb795 100644
--- a/src/main.ts
+++ b/src/main.ts
@@ -12,7 +12,6 @@ import { TaxiiConfigModule, TaxiiConfigService } from './config';
  * Starts the Nest.js application
  */
 export async function bootstrap() {
-  // Dev watch validation marker.
   // ** Initialize Express adapter ** //
   const server: express.Express = express();
 
diff --git a/src/taxii/controllers/root/root.controller.ts b/src/taxii/controllers/root/root.controller.ts
index d07a35e..9818b18 100644
--- a/src/taxii/controllers/root/root.controller.ts
+++ b/src/taxii/controllers/root/root.controller.ts
@@ -18,10 +18,9 @@ export class RootController {
   }
 
   @Get('/health/ping')
-  @HttpCode(HttpStatus.OK)
-  healthPing(): string {
+  @HttpCode(HttpStatus.NO_CONTENT)
+  healthPing(): void {
     this.logger.debug('Health ping.');
-    return 'taxii live reload worx!';
   }
 
   @ApiOkResponse({