cache

.gitea/workflows/docker-build.yml

@@ -31,5 +31,5 @@ jobs:
           file: ./Dockerfile
           push: true
           tags: git.kanopo.dev/rhythm/rhythm-backend:latest
-          cache-from: type=local,src=/tmp/.buildx-cache
-          cache-to: type=local,dest=/tmp/.buildx-cache,mode=max
+          cache-from: type=gha
+          cache-to: type=gha,mode=max

Dockerfile

@@ -1,7 +1,16 @@
 FROM rust:1.95.0-alpine3.22 AS builder
 WORKDIR /app
 
+# Cache dependencies by building a dummy project first
+COPY Cargo.toml Cargo.lock ./
+RUN mkdir src && echo "fn main() {}" > src/main.rs
+RUN cargo build --release
+RUN rm -rf src
+
+# Copy real source code and build
 COPY . .
+# Touch the main file to ensure cargo sees it as newer than the dummy build
+RUN touch src/main.rs
 RUN cargo build --release
 
 # Small runtime image