Make devcontainer work for all services

.devcontainer/tests/Dockerfile

@@ -1,2 +1,6 @@
 ARG IMAGE=bullseye
 FROM mcr.microsoft.com/devcontainers/${IMAGE}
+
+RUN apt-get update && export DEBIAN_FRONTEND=noninteractive \
+    && apt-get -y install --no-install-recommends postgresql-client \
+     && apt-get clean -y && rm -rf /var/lib/apt/lists/*

.devcontainer/tests/devcontainer.json

@@ -1,6 +1,6 @@
 // For format details, see https://aka.ms/devcontainer.json.
 {
-	"name": "flask-admin tests (Postgres + Azurite)",
+	"name": "flask-admin tests (Postgres + Azurite + Mongo)",
 	"dockerComposeFile": "docker-compose.yaml",
 	"service": "app",
 	"workspaceFolder": "/workspace",
@@ -11,5 +11,6 @@
 		"5432": {"label": "PostgreSQL port", "onAutoForward": "silent"}
 	},
 	// Comment out to connect as root instead. More info: https://aka.ms/vscode-remote/containers/non-root.
-	"remoteUser": "vscode"
+	"remoteUser": "vscode",
+	"postAttachCommand": "psql -U postgres -h localhost -c 'CREATE EXTENSION IF NOT EXISTS hstore;' flask_admin_test && pip install -e \".[all]\" && pip install --use-pep517 -r requirements/dev.txt"
 }

.devcontainer/tests/docker-compose.yaml

@@ -13,32 +13,32 @@ services:
 
     # 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: host
+    environment:
+      AZURE_STORAGE_CONNECTION_STRING: DefaultEndpointsProtocol=http;AccountName=devstoreaccount1;AccountKey=Eby8vdM02xNOcqFlqUwJPLlmEtlCDXJ1OUzFT50uSRZ6IFsuFq2UVErCz4I6tq/K1SZFPTOtr/KBHBeksoGMGw==;BlobEndpoint=http://127.0.0.1:10000/devstoreaccount1;
 
   postgres:
-    # Docker Hub image
-    image: postgis/postgis:16-3.4  # postgres with postgis installed
+    image: postgis/postgis:16-3.4
     restart: unless-stopped
-    # Provide the password for postgres
     environment:
       POSTGRES_PASSWORD: postgres
       POSTGRES_DB: flask_admin_test
     volumes:
       - postgres-data:/var/lib/postgresql/data
-
-  azureblob:
+    network_mode: service:app
+
+  azurite:
     container_name: azurite
     image: mcr.microsoft.com/azure-storage/azurite:latest
     restart: unless-stopped
     volumes:
-      - azureblob-data:/data
+      - azurite-data:/data
+    network_mode: service:app
 
-    # Add "forwardPorts": ["10000", "10001"] to **devcontainer.json** to forward Azurite locally.
-    # (Adding the "ports" property to this file will not forward from a Codespace.)
+  mongo:
+    image: mongo:5.0.14-focal
+    restart: unless-stopped
+    network_mode: service:app
 
 volumes:
   postgres-data:
-  azureblob-data:
-
+  azurite-data: