From 0e73ca1923d9472097b9c9cdf65795bb3f165b01 Mon Sep 17 00:00:00 2001
From: Fijxu <fijxu@nadeko.net>
Date: Sat, 24 May 2025 22:41:21 -0400
Subject: [PATCH] CI: Use buildkit-cache-dance to speed up builds

---
 .forgejo/workflows/ci.yml | 19 +++++++++++++++++--
 docker/Dockerfile         |  2 +-
 2 files changed, 18 insertions(+), 3 deletions(-)

diff --git a/.forgejo/workflows/ci.yml b/.forgejo/workflows/ci.yml
index 572e4e8d..41ecb35b 100644
--- a/.forgejo/workflows/ci.yml
+++ b/.forgejo/workflows/ci.yml
@@ -2,8 +2,6 @@ name: "Invidious CI"
 
 on:
   workflow_dispatch:
-  # schedule:
-  #   - cron: '0 7 * * 0'
   push:
     branches:
       - "master"
@@ -44,6 +42,23 @@ jobs:
             type=sha,format=short,prefix={{date 'YYYY.MM.DD'}}-,enable=${{ github.ref == format('refs/heads/{0}', 'master') }}
             type=raw,value=latest,enable=${{ github.ref == format('refs/heads/{0}', 'master') }}
 
+      - name: Cache .o files for compilation
+        uses: https://code.forgejo.org/actions/cache@v4
+        id: cache
+        with:
+          path: |
+            codegen-cache
+          key: cache-${{ hashFiles('./Dockerfile') }}
+
+      - name: Inject cache into Docker
+        uses: https://github.com/reproducible-containers/buildkit-cache-dance@v3.1.0
+        with:
+          cache-map: |
+            {
+              "codegen-cache": "/root/.cache/crystal"
+            }
+          skip-extraction: ${{ steps.cache.outputs.cache-hit }}
+
       - uses: https://code.forgejo.org/docker/build-push-action@v6
         name: Build images
         with:
diff --git a/docker/Dockerfile b/docker/Dockerfile
index 87aa63de..db426208 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -22,7 +22,7 @@ COPY ./videojs-dependencies.yml ./videojs-dependencies.yml
 
 RUN --mount=type=cache,target=/root/.cache/crystal \
         crystal build ./src/invidious.cr \
-        --release --mcpu=x86-64-v2 \
+        -O3 -Drelease --mcpu=x86-64-v2 \
         --static --warnings all \
         --link-flags "-lxml2 -llzma";