build: Improve server compile time with cache

README.md

@@ -11,7 +11,7 @@
 
 A link aggregator / reddit clone for the fediverse.
 
-[Lemmy Dev instance](https://dev.lemmy.ml) _for testing purposes only_
+[Lemmy Dev instance](https://dev.lemmy.ml) *for testing purposes only*
 
 This is a **very early beta version**, and a lot of features are currently broken or in active development, such as federation.
 

server/Dockerfile.dev

@@ -1,6 +1,6 @@
 # Setup env
 FROM rust:1.33
-RUN mkdir -p /opt/lemmy/server--dev
+RUN USER=root cargo new --bin /opt/lemmy/server--dev
 WORKDIR /opt/lemmy/server--dev
 # Create empty directory where the frontend would normally be
 RUN mkdir -p /opt/lemmy/ui--dev/dist
@@ -10,8 +10,12 @@ RUN echo 'fn main() { println!("Dummy") }' >src/bin/main.rs
 # Install deps
 COPY Cargo.toml .
 COPY Cargo.lock .
-RUN cargo build
+RUN cargo build --release
+RUN rm src/bin/main.rs
 # Add app
-COPY . .
+COPY src/ src/
+COPY migrations/ migrations/
+RUN rm target/release/deps/lemmy*
+RUN cargo build --release
 # Run app
-CMD cargo run
+CMD ["/opt/lemmy/server--dev/target/release/lemmy"]

skaffold.yaml

@@ -8,8 +8,6 @@ profiles:
           context: server
           docker:
             dockerfile: Dockerfile.dev
-          sync:
-            "***/*.rs": .
         - image: registry.gitlab.com/pojntfx/lemmy/ui.dev
           context: ui
           docker: