optimizing build time

- using cache
- reorder docker build steps

.drone.jsonnet

@@ -4,6 +4,20 @@
     type: 'docker',
     name: 'reflex-ipad',
     steps: [
+      {
+        name: 'restore-cache',
+        image: 'drillster/drone-volume-cache',
+        settings: {
+          restore: true,
+          ttl: 7,
+          mount: [
+            '/drone/docker',
+          ],
+        },
+        volumes: [
+          { name: 'cache', path: '/cache' },
+        ],
+      },
       {
         name: 'builder',
         image: 'plugins/docker',
@@ -13,19 +27,23 @@
           registry: 'gitea.pb42.de',
           repo: 'gitea.pb42.de/matthias/reflex-ipad',
           cache_from: 'gitea.pb42.de/matthias/reflex-ipad:builder',
+          storage_path: '/drone/docker',
           config: { from_secret: 'dockerconfigjson' },
         },
+        depends_on: [
+          'restore-cache',
+        ],
       },
       {
         name: 'frontend-builder',
         image: 'gitea.pb42.de/matthias/reflex-ipad:builder',
-        commands:[
+        commands: [
           'cd /app',
           'reflex export --frontend-only --no-zip',
           'mv .web/_static /drone/src/web',
         ],
         depends_on: [
-                      'builder'
+          'builder',
         ],
       },
       {
@@ -38,28 +56,46 @@
           repo: 'gitea.pb42.de/matthias/reflex-ipad',
           config: { from_secret: 'dockerconfigjson' },
           build_args: ['API_URL=https://ipad.pb42.de'],
+          storage_path: '/drone/docker',
         },
         depends_on: [
-                      'builder'
+          'builder',
         ],
       },
       {
-        name: "deploy_web",
-        image: "appleboy/drone-scp",
+        name: 'deploy_web',
+        image: 'appleboy/drone-scp',
         settings: {
-          host: "pb42.de",
-          target: "/",
-          source: "web/*",
+          host: 'pb42.de',
+          target: '/',
+          source: 'web/*',
           username: {
-            from_secret: "deploy_username", 
+            from_secret: 'deploy_username',
           },
           key: {
-            from_secret: "deploy_key", 
+            from_secret: 'deploy_key',
           },
           port: 42022,
         },
         depends_on: [
-                      'frontend-builder'
+          'frontend-builder',
+        ],
+      },
+      {
+        name: 'rebuild-cache',
+        image: 'drillster/drone-volume-cache',
+        settings: {
+          rebuild: true,
+          mount: [
+            '/drone/docker',
+          ],
+        },
+        volumes: [
+          { name: 'cache', path: '/cache' },
+        ],
+        depends_on: [
+          'builder',
+          'backend',
         ],
       },
       {
@@ -84,19 +120,26 @@
           stack: 'reflex-ipad',
           file: 'docker-compose.yml',
           standalone: true,
-          swarmId: "",
+          swarmId: '',
           type: 2,
           environment: [],
           env: [],
           debug: true,
         },
         depends_on: [
-                        'backend',
+          'backend',
         ],
       },
     ],
+    volumes: [
+      {
+        name: 'cache',
+        host: {
+          path: '/tmp/cache',
+        },
+      },
+    ],
     trigger: { event: ['push'] },
     image_pull_secrets: ['dockerconfigjson'],
   },
 ]
-

Dockerfile

@@ -1,22 +1,18 @@
 # Stage 1: init
 FROM python:3.11 as init
 
-# Pass `--build-arg API_URL=http://app.example.com:8000` during build
 ARG API_URL
 
-# Copy local context to `/app` inside container (see .dockerignore)
 WORKDIR /app
-COPY requirements.txt .
 
-# Create virtualenv which will be copied into final container
 ENV VIRTUAL_ENV=/app/.venv
 ENV PATH="$VIRTUAL_ENV/bin:$PATH"
 RUN python3.11 -m venv $VIRTUAL_ENV
 
-# Install app requirements and reflex inside virtualenv
+COPY requirements.txt .
+
 RUN pip install -r requirements.txt
 
 COPY . .
 
-# Deploy templates and prepare app
 RUN reflex init

Dockerfile.backend

@@ -9,4 +9,4 @@ RUN chown reflex:reflex /app
 USER reflex
 ENV PATH="/app/.venv/bin:$PATH" API_URL=$API_URL PYTHONUNBUFFERED=TRUE
 
-CMD reflex db migrate && reflex run --env dev --backend-only
+CMD reflex db migrate && reflex run --env prod --backend-only

Dockerfile.builder

@@ -6,13 +6,13 @@ ARG API_URL
 
 # Copy local context to `/app` inside container (see .dockerignore)
 WORKDIR /app
-COPY requirements.txt .
 
-# Create virtualenv which will be copied into final container
 ENV VIRTUAL_ENV=/app/.venv
 ENV PATH="$VIRTUAL_ENV/bin:$PATH"
 RUN python3.11 -m venv $VIRTUAL_ENV
 
+COPY requirements.txt .
+
 # Install app requirements and reflex inside virtualenv
 RUN pip install -r requirements.txt
 

deploy/rxconfig.py

@@ -4,7 +4,7 @@ config = rx.Config(
     app_name="reflex_ipad",
     db_url="postgresql://ipad:uizJOcDZR3qKLUJuAeSr8WG8onJ1vsUQB2zgE5NIKcpLGT5EF3x7JBkPs@db:5432/ipad",
     api_url="https://ipad.pb42.de",
-    env=rx.Env.DEV,
+    env=rx.Env.PROD,
     loglevel="debug",
     telemetry_enabled=False,
 )