revert node dockerfile 8 modifications

Author: sidpalas

06-building-container-images/api-node/Dockerfile.8

@@ -1,6 +1,9 @@
 # Pin specific version for stability
 # Use alpine for reduced image size
-FROM node:19.6-alpine AS base
+FROM node:19.6-alpine
+
+# Set NODE_ENV
+ENV NODE_ENV production
 
 # Specify working directory other than /
 WORKDIR /usr/src/app
@@ -9,21 +12,6 @@ WORKDIR /usr/src/app
 # dependencies (better layer caching)
 COPY package*.json ./
 
-FROM base as dev
-
-RUN --mount=type=cache,target=/usr/src/app/.npm \
-  npm set cache /usr/src/app/.npm && \
-  npm install
-
-COPY . .
-
-CMD ["npm", "run", "dev"]
-
-FROM base as production
-
-# Set NODE_ENV
-ENV NODE_ENV production
-
 # Install only production dependencies
 # Use cache mount to speed up install of existing dependencies
 RUN --mount=type=cache,target=/usr/src/app/.npm \
@@ -44,4 +32,4 @@ COPY --chown=node:node ./src/ .
 # Indicate expected port
 EXPOSE 3000
 
-CMD [ "node", "index.js" ]
+CMD [ "node", "index.js" ]