chore(js): Fix langchain-express and llama-index-express docker examp…

…les (#1120)

js/examples/langchain-express/.env.example

@@ -0,0 +1 @@
+OPENAI_API_KEY=

js/examples/langchain-express/README.md

@@ -16,7 +16,9 @@ Open [http://localhost:3000](http://localhost:3000) with your browser to see the
 
 ## Getting Started With Docker-Compose
 
-Ensure that Docker is installed and running. Run the command `docker compose up` to spin up services for the frontend, backend, and Phoenix. Once those services are running, open [http://localhost:3000](http://localhost:3000) to use the chat interface. When you're finished, run `docker compose down` to spin down the services.
+Copy the `.env.example` file to `.env` and set your `OPENAI_API_KEY`.
+
+Ensure that Docker is installed and running. Run the command `docker compose up` to spin up services for the frontend, backend, and Phoenix. Once those services are running, open [http://localhost:3000](http://localhost:3000) to use the chat interface and [http://localhost:6006](http://localhost:6006) to view the Phoenix UI. When you're finished, run `docker compose down` to spin down the services.
 
 ## Learn More
 

js/examples/langchain-express/backend/.dockerignore

@@ -0,0 +1 @@
+node_modules

js/examples/langchain-express/backend/Dockerfile

@@ -6,21 +6,21 @@ FROM base AS deps
 RUN apk add --no-cache libc6-compat
 WORKDIR /app
 COPY package.json ./
-RUN npm i
+RUN npm i --quiet
 
 # Rebuild the source code only when needed
 FROM base AS builder
 WORKDIR /app
 COPY --from=deps /app/node_modules ./node_modules
-COPY . /app/
+COPY . .
 RUN npm run build
 
 # Production image, copy all the files and run the server
 FROM base AS runner
 WORKDIR /app
 ENV NODE_ENV production
 COPY --from=builder /app/dist ./dist
-COPY package*.json ./
-RUN npm i --production
+COPY --from=deps /app/node_modules ./node_modules
+COPY package.json ./
 EXPOSE 8000
 CMD ["node", "--import", "./dist/instrumentation.cjs", "./dist/index.cjs"]

js/examples/langchain-express/compose.yml

@@ -5,9 +5,12 @@ services:
     ports:
       - "6006:6006"
   backend:
-    build: backend
+    build:
+      context: backend
+      dockerfile: Dockerfile
     ports:
       - "8000:8000"
+    env_file: .env
     environment:
       - OPENAI_API_KEY=${OPENAI_API_KEY}
       - COLLECTOR_ENDPOINT=http://phoenix:6006/v1/traces
@@ -18,7 +21,9 @@ services:
       timeout: 1s
       retries: 5
   frontend:
-    build: frontend
+    build:
+      context: frontend
+      dockerfile: Dockerfile
     ports:
       - "3000:3000"
     depends_on:

js/examples/langchain-express/frontend/.dockerignore

@@ -0,0 +1 @@
+node_modules

js/examples/langchain-express/frontend/Dockerfile

@@ -7,7 +7,7 @@ FROM base AS deps
 RUN apk add --no-cache libc6-compat
 WORKDIR /app
 COPY package.json ./
-RUN npm i
+RUN npm i --quiet
 
 # Rebuild the source code only when needed
 FROM base AS builder

js/examples/llama-index-express/.env.example

@@ -0,0 +1 @@
+OPENAI_API_KEY=

js/examples/llama-index-express/README.md

@@ -14,7 +14,9 @@ Open [http://localhost:3000](http://localhost:3000) with your browser to see the
 
 ## Getting Started With Docker-Compose
 
-Ensure that Docker is installed and running. Run the command `docker compose up` to spin up services for the frontend, backend, and Phoenix. Once those services are running, open [http://localhost:3000](http://localhost:3000) to use the chat interface. When you're finished, run `docker compose down` to spin down the services.
+Copy the `.env.example` file to `.env` and set your `OPENAI_API_KEY`.
+
+Ensure that Docker is installed and running. Run the command `docker compose up` to spin up services for the frontend, backend, and Phoenix. Once those services are running, open [http://localhost:3000](http://localhost:3000) to use the chat interface and [http://localhost:6006](http://localhost:6006) to view the Phoenix UI. When you're finished, run `docker compose down` to spin down the services.
 
 ## Learn More
 

js/examples/llama-index-express/backend/.dockerignore

@@ -0,0 +1 @@
+node_modules

js/examples/llama-index-express/backend/Dockerfile

@@ -6,7 +6,7 @@ FROM base AS deps
 RUN apk add --no-cache libc6-compat
 WORKDIR /app
 COPY package*.json ./
-RUN npm ci
+RUN npm i --quiet
 
 # Rebuild the source code only when needed
 FROM base AS builder
@@ -20,7 +20,7 @@ FROM base AS runner
 WORKDIR /app
 ENV NODE_ENV production
 COPY --from=builder /app/dist ./dist
+COPY --from=deps /app/node_modules ./node_modules
 COPY package*.json ./
-RUN npm i --production
 EXPOSE 8000
 CMD ["node", "--import", "./dist/instrumentation.cjs", "./dist/index.cjs"]

js/examples/llama-index-express/compose.yml

@@ -17,6 +17,7 @@ services:
       interval: 5s
       timeout: 1s
       retries: 5
+    env_file: .env
   frontend:
     build: frontend
     ports:

js/examples/llama-index-express/frontend/.dockerignore

@@ -0,0 +1 @@
+node_modules

js/examples/llama-index-express/frontend/Dockerfile

@@ -7,7 +7,7 @@ FROM base AS deps
 RUN apk add --no-cache libc6-compat
 WORKDIR /app
 COPY package*.json ./
-RUN npm ci
+RUN npm i --quiet
 
 # Rebuild the source code only when needed
 FROM base AS builder