chore(dev): #3 added simple devcontainer (#12)

.devcontainer/devcontainer.json

@@ -0,0 +1,20 @@
+{
+	"name": "Keycloak Event Listener for Temporal",
+	"dockerComposeFile": "docker-compose.yml",
+	"service": "devcontainer",
+	"workspaceFolder": "/workspaces/${localWorkspaceFolderBasename}",
+	"features": {
+		"ghcr.io/devcontainers/features/java:1": {
+			"version": "none",
+			"installMaven": "true",
+			"installGradle": "false"
+		}
+	},
+	// Pre-compile project
+	"postStartCommand": "mvn -B compile",
+	// Expose Temporal ports
+	"forwardPorts": [
+		7233,
+		8233
+	]
+}

.devcontainer/docker-compose.yml

@@ -0,0 +1,19 @@
+version: '3.3'
+services:
+  devcontainer:
+    image: mcr.microsoft.com/devcontainers/java:1-21-bullseye
+    volumes:
+      - ../..:/workspaces:cached
+    command: sleep infinity
+  temporal:
+    image: temporalio/admin-tools
+    entrypoint:
+      - "/usr/local/bin/temporal"
+      - "server"
+      - "start-dev"
+    command:
+      - "-p"
+      - "7233"
+      - "--ip"
+      - "0.0.0.0"
+    network_mode: service:devcontainer