added postgresql container

.devcontainer/Dockerfile.website

@@ -0,0 +1,26 @@
+FROM python:latest
+WORKDIR /home/plakplaats
+
+# Install build dependencies
+RUN apt-get update && \
+    apt-get install -y --no-install-recommends \
+			libpq-dev gcc
+RUN rm -rf /var/lib/apt/lists/*
+
+# Install required python packages
+COPY requirements.txt ./
+RUN pip install -r requirements.txt --no-cache-dir
+
+# Copy over remaining files
+COPY . .
+
+# Document which ports will be used
+EXPOSE 3000
+
+# Give a warm welcome
+ENV SHELL="/bin/bash"
+RUN echo "echo 'You are in the plakplaats devcontainer!'" >> /etc/bash.bashrc
+RUN echo "echo 'Start the server with: python src/server.py'" >> /etc/bash.bashrc
+
+# Do not run anything, but do not close the container either
+CMD ["tail", "-f", "/dev/null"]

.devcontainer/devcontainer.json

@@ -2,20 +2,17 @@
 // README at: https://github.com/devcontainers/templates/tree/main/src/docker-existing-dockerfile
 {
 	"name": "Plakplaats devcontainer",
-	"build": {
-		// Sets the run context to one level up instead of the .devcontainer folder.
-		"context": "..",
-		"dockerfile": "Dockerfile"
-	},
-	"forwardPorts": [
-		3000
-	],
+	"workspaceFolder": "/home/plakplaats",
+	"dockerComposeFile": "docker-compose.yml",
+	"service": "website-dev",
+	"forwardPorts": [3000],
 	"customizations": {
 		"vscode": {
 			"extensions": [
 				"ms-python.python",
 				"ms-azuretools.vscode-docker"
 			]
 		}
-	}
+	},
+	"runServices": ["website-dev"]
 }

.devcontainer/docker-compose.yml

@@ -0,0 +1,14 @@
+# Inherit but overwrite production configs with development configs
+
+include:
+  - path: ../docker-compose.yml
+
+services:
+  website-dev:
+    build:
+      context: ..
+      dockerfile: .devcontainer/Dockerfile.website
+    ports:
+      - "3000:3000"
+    depends_on:
+      - postgres_db

Dockerfile.website

@@ -0,0 +1,21 @@
+FROM python:alpine
+WORKDIR /home/plakplaats
+
+# Install build dependencies
+RUN apk add --no-cache postgresql-libs
+RUN apk add --no-cache --virtual .build-deps gcc musl-dev postgresql-dev
+
+# Copy the files responsible for listing dependencies
+COPY requirements.txt ./
+
+# Cache the python dependencies
+RUN python3 -m pip install -r requirements.txt --no-cache-dir
+
+# Remove previously installed build dependencies, they are not needed anymore
+RUN apk del .build-deps
+
+# Copy the source code
+COPY src src
+
+EXPOSE 3000
+CMD ["python", "src/server.py"]

docker-compose.yml

@@ -0,0 +1,17 @@
+services:
+  website:
+    build:
+      dockerfile: Dockerfile.website
+    ports:
+      - "3000:3000"
+    depends_on:
+      - postgres_db
+
+  postgres_db:
+    image: postgres:latest
+    environment:
+      POSTGRES_USER: postgres
+      POSTGRES_PASSWORD: postgres
+      POSTGRES_DB: plakplaats-db
+    ports:
+      - "5432:5432"