feat: add docker image build CI

.devcontainer/devcontainer.json

@@ -1,28 +0,0 @@
-{
-  "name": "learnhouse-backend",
-  "dockerComposeFile": ["../docker-compose.yml"],
-  "service": "api",
-  "workspaceFolder": "/usr/learnhouse",
-  "customizations": {
-    "vscode": {
-      "extensions": [
-        "eamodio.gitlens",
-        "ms-python.python",
-        "ms-python.black-formatter",
-        "ms-python.vscode-pylance",
-        "styled-components.vscode-styled-components",
-        "dbaeumer.vscode-eslint",
-        "esbenp.prettier-vscode",
-        "ms-python.isort",
-        "redhat.vscode-yaml",
-        "bradlc.vscode-tailwindcss"
-      ],
-      "settings": {
-        "[python]": {
-          "editor.defaultFormatter": "ms-python.python"
-        }
-      }
-    }
-  },
-  "shutdownAction": "stopCompose"
-}

.github/workflows/docker-build.yaml

@@ -0,0 +1,13 @@
+name: App Build
+on:
+  push:
+    paths:
+      - "**"
+jobs:
+  docker-build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - name: Build Docker Image
+        run: docker build -t learnhouse .
+        working-directory: .