Update python 3 image: install requirements.txt if exists

containers/python-3/.devcontainer/Dockerfile

@@ -6,17 +6,23 @@
 FROM python:3
 
 # Copy default endpoint specific user settings overrides into container to specify Python path
-COPY settings.vscode.json /root/.vscode-remote/data/Machine/settings.json
-
-RUN pip install pylint
+COPY .devcontainer/settings.vscode.json /root/.vscode-remote/data/Machine/settings.json
 
 # Install git, process tools
 RUN apt-get update && apt-get -y install git procps
 
 # Install any missing dependencies for enhanced language service
 RUN apt-get install -y libicu[0-9][0-9]
 
+# Install Python dependencies from requirements.txt if it exists
+COPY .devcontainer/requirements.txt.temp requirements.txt* /workspace/
+RUN if [ -f "requirements.txt" ]; then pip install -r requirements.txt && rm requirements.txt; fi
+
+# Expose port 5000 as the default web port
+EXPOSE 5000
+
 # Clean up
 RUN apt-get autoremove -y \
     && apt-get clean -y \
     && rm -rf /var/lib/apt/lists/*
+

containers/python-3/.devcontainer/devcontainer.json

@@ -1,8 +1,10 @@
 {
 	"name": "Python 3",
-	"dockerFile": "Dockerfile",
+	"dockerComposeFile": "docker-compose.yml",
+	"service": "app",
+	"workspaceFolder": "/workspace",
 	"extensions": [
 		"ms-python.python",
-		"LittleFoxTeam.vscode-python-test-adapter"
+		"VisualStudioExptTeam.vscodeintellicode"
 	]
-}
+}

containers/python-3/.devcontainer/docker-compose.yml

@@ -0,0 +1,12 @@
+version: '3'
+
+services:
+  app:
+    build: 
+      context: ..
+      dockerfile: .devcontainer/Dockerfile
+    ports:
+      - 5000:5000
+    volumes:
+      - ..:/workspace
+    command: sleep infinity

containers/python-3/README.md

@@ -2,7 +2,7 @@
 
 ## Summary
 
-*A basic dev container definition for developing Python 3 applications in a container. Includes everything you need to get up and running like PyLint and the Python extension.*
+*A basic dev container definition for developing Python 3 applications in a container. Installs dependencies from your requirements.txt file and the Python extension.*
 
 | Metadata | Value |  
 |----------|-------|