adding devcontainers

.devcontainer/devcontainer.json

@@ -0,0 +1,25 @@
+// For format details, see https://aka.ms/devcontainer.json. For config options, see the
+// README at: https://github.com/devcontainers/templates/tree/main/src/docker-existing-dockerfile
+{
+	"name": "Existing Dockerfile with PostgreSQL",
+	"dockerComposeFile": "docker-compose.yml",
+	"service": "app",
+  "workspaceFolder": "/usr/src/app",
+	"workspaceMount": "source=${localWorkspaceFolder},target=/usr/src/app,type=bind",
+	"build": {
+		// Sets the run context to one level up instead of the .devcontainer folder.
+		"context": "..",
+		// Update the 'dockerFile' property if you aren't using the standard 'Dockerfile' filename.
+		"dockerfile": "../Dockerfile",
+		"runArgs": [
+			"--env-file",
+			"../deployment/local/env"
+		]
+	}
+	//,"settings": {
+	//	// Put any VSCode settings here, such as extensions to install, etc.
+	//},
+	//"extensions": [
+	//	// List extensions here
+	//]
+}

.devcontainer/docker-compose.yml

@@ -0,0 +1,35 @@
+version: '3.8'
+services:
+  app:
+    build:
+      context: ..
+      dockerfile: ../Dockerfile
+    env_file:
+      - ../deployment/local/env  # Loads your environment variables
+    environment:
+      #- DATABASE_URL=postgresql://${POSTGRES_USERNAME_HD}:${POSTGRES_PASSWORD_HD}@${POSTGRES_HOST_HD}:${POSTGRES_PORT_HD}/${POSTGRES_DATABASE_HD}
+      - DATABASE_URL=postgresql://postgres:postgres@db:5432/tierstatistik
+    volumes:
+      - ../src:/workspace # Maps the parent directory to /workspace in the container
+
+    # Overrides default command so things don't shut down after the process ends.
+    command: sleep infinity
+
+    # Runs app on the same network as the database container, allows "forwardPorts" in devcontainer.json function.
+    network_mode: service:db
+
+  db:
+    image: postgres:latest
+    restart: always
+    environment:
+      POSTGRES_USER: postgres
+      POSTGRES_DB: postgres
+      POSTGRES_PASSWORD: postgres
+      # POSTGRES_DB: POSTGRES_DATABASE_HD
+      # POSTGRES_USER: POSTGRES_USERNAME_HD
+      # POSTGRES_PASSWORD: POSTGRES_PASSWORD_HD
+    volumes:
+      - postgres-data:/var/lib/postgresql/data
+
+volumes:
+  postgres-data:

.github/dependabot.yml

@@ -0,0 +1,12 @@
+# To get started with Dependabot version updates, you'll need to specify which
+# package ecosystems to update and where the package manifests are located.
+# Please see the documentation for more information:
+# https://docs.github.com/github/administering-a-repository/configuration-options-for-dependency-updates
+# https://containers.dev/guide/dependabot
+
+version: 2
+updates:
+ - package-ecosystem: "devcontainers"
+   directory: "/"
+   schedule:
+     interval: weekly

Dockerfile

@@ -2,6 +2,8 @@ FROM python:3.11-slim
 
 # install vim for development
 RUN apt-get update && apt-get install -y vim
+# Create the workspace directory for devcontainers
+RUN mkdir -p /workspace
 
 RUN mkdir -p /opt/airflow/airflow_home/dags/
 

src/requirements.txt

@@ -3,4 +3,6 @@ rdfpandas
 rdflib
 pandas
 psycopg2-binary
-dbt-postgres
+dbt-core
+#apparently 1.8 Error: pg_config executable not found.
+dbt-postgres!=1.8.0,!=1.8.1