build: Fix devcontainer (#1942)

Author: kyleconroy

.devcontainer/devcontainer.json

@@ -3,24 +3,14 @@
 // Update the VARIANT arg in docker-compose.yml to pick a Python version
 {
 	"name": "sqlc",
-	"dockerComposeFile": "docker-compose.yml",
-	"service": "app",
-	"workspaceFolder": "/workspace",
+  "build": {
+    "dockerfile": "Dockerfile"
+  },
 
 	"runArgs": [ "--cap-add=SYS_PTRACE", "--security-opt", "seccomp=unconfined" ],
 
 	// Set *default* container specific settings.json values on container create.
 	"settings": { 
-		"sqltools.connections": [{
-			"name": "Container database",
-			"driver": "PostgreSQL",
-			"previewLimit": 50,
-			"server": "postgresql",
-			"port": 5432,
-			"database": "dinotest",
-			"username": "postgres",
-			"password": "mysecretpassword"
-		}],
 		"go.toolsManagement.checkForUpdates": "local",
 		"go.useLanguageServer": true,
 		"go.gopath": "/go",
@@ -30,9 +20,6 @@
 	// Add the IDs of extensions you want installed when the container is created.
 	"extensions": [
 		"golang.Go",
-		"mtxr.sqltools",
-		"mtxr.sqltools-driver-pg",
-		"mtxr.sqltools-driver-mysql"
 	],
 
 	// Use 'forwardPorts' to make a list of ports inside the container available locally.