CC-1333 Add repository aware caching

dockerfiles/bun-1.1.Dockerfile

@@ -1,11 +1,12 @@
+# syntax=docker/dockerfile:1.7-labs
 FROM oven/bun:1.1.4-alpine
 
 ENV CODECRAFTERS_DEPENDENCY_FILE_PATHS="package.json,bun.lockb"
 
 WORKDIR /app
 
-COPY package.json ./
-COPY bun.lockb ./
+# .git & README.md are unique per-repository. We ignore them on first copy to prevent cache misses
+COPY --exclude=.git --exclude=README.md . /app
 
 # For reproducible builds.
 # This will install the exact versions of each package specified in the lockfile.
@@ -15,3 +16,6 @@ RUN bun install --frozen-lockfile
 RUN mkdir -p /app-cached
 # If the node_modules directory exists, move it to /app-cached
 RUN if [ -d "/app/node_modules" ]; then mv /app/node_modules /app-cached; fi
+
+# Once the heave steps are done, we can copy all files back
+COPY . /app

dockerfiles/clojure-1.10.3.Dockerfile

@@ -1,11 +1,16 @@
+# syntax=docker/dockerfile:1.7-labs
 FROM clojure:openjdk-18-lein-alpine
 
 ENV CODECRAFTERS_DEPENDENCY_FILE_PATHS="project.clj"
 
 WORKDIR /app
-COPY project.clj ./
+# .git & README.md are unique per-repository. We ignore them on first copy to prevent cache misses
+COPY --exclude=.git --exclude=README.md . /app
 
 RUN lein deps
 
 RUN printf "cd \${CODECRAFTERS_SUBMISSION_DIR} && lein deps && lein uberjar && sed -i 's/^\(lein .*\)/#\1/' ./spawn_redis_server.sh\n" > /codecrafters-precompile.sh
 RUN chmod +x /codecrafters-precompile.sh
+
+# Once the heave steps are done, we can copy all files back
+COPY . /app

dockerfiles/clojure-1.11.3.Dockerfile

@@ -1,11 +1,16 @@
+# syntax=docker/dockerfile:1.7-labs
 FROM clojure:openjdk-19-lein-alpine
 
 ENV CODECRAFTERS_DEPENDENCY_FILE_PATHS="project.clj"
 
 WORKDIR /app
-COPY project.clj ./
+# .git & README.md are unique per-repository. We ignore them on first copy to prevent cache misses
+COPY --exclude=.git --exclude=README.md . /app
 
 RUN lein deps
 
 RUN printf "cd \${CODECRAFTERS_SUBMISSION_DIR} && lein deps && lein uberjar && sed -i 's/^\(lein .*\)/#\1/' ./spawn_redis_server.sh\n" > /codecrafters-precompile.sh
 RUN chmod +x /codecrafters-precompile.sh
+
+# Once the heave steps are done, we can copy all files back
+COPY . /app

dockerfiles/cpp-23.Dockerfile

@@ -1,3 +1,4 @@
+# syntax=docker/dockerfile:1.7-labs
 FROM gcc:13.2.0-bookworm
 
 ENV CODECRAFTERS_DEPENDENCY_FILE_PATHS="vcpkg.json,vcpkg-configuration.json"
@@ -25,8 +26,8 @@ ENV PATH="${VCPKG_ROOT}:$PATH"
 
 WORKDIR /app
 
-COPY vcpkg.json ./
-COPY vcpkg-configuration.json ./
+# .git & README.md are unique per-repository. We ignore them on first copy to prevent cache misses
+COPY --exclude=.git --exclude=README.md . /app
 
 RUN vcpkg install --no-print-usage
 RUN sed -i '1s/^/set(VCPKG_INSTALL_OPTIONS --no-print-usage)\n/' ${VCPKG_ROOT}/scripts/buildsystems/vcpkg.cmake
@@ -37,3 +38,6 @@ RUN if [ -d "/app/vcpkg_installed" ]; then mv /app/vcpkg_installed /app-cached/b
 
 RUN echo "cd \${CODECRAFTERS_SUBMISSION_DIR} && cmake -B build -S . -DCMAKE_TOOLCHAIN_FILE=${VCPKG_ROOT}/scripts/buildsystems/vcpkg.cmake && cmake --build ./build && sed -i '/^cmake/ s/^/# /' ./spawn_redis_server.sh" > /codecrafters-precompile.sh
 RUN chmod +x /codecrafters-precompile.sh
+
+# Once the heave steps are done, we can copy all files back
+COPY . /app

dockerfiles/dotnet-6.0.Dockerfile

@@ -1,12 +1,13 @@
+# syntax=docker/dockerfile:1.7-labs
 FROM mcr.microsoft.com/dotnet/sdk:6.0-bullseye-slim
 
-COPY codecrafters-redis.csproj /app/codecrafters-redis.csproj
-COPY codecrafters-redis.sln /app/codecrafters-redis.sln
 
 RUN mkdir /app/src
 RUN (echo 'System.Console.WriteLine("If you are seeing this, there is something wrong with our caching mechanism! Please contact us at hello@codecrafters.io.");' > /app/src/Program.cs) > /dev/null
 
 WORKDIR /app
+# .git & README.md are unique per-repository. We ignore them on first copy to prevent cache misses
+COPY --exclude=.git --exclude=README.md . /app
 
 # This saves nuget packages to ~/.nuget
 RUN dotnet build --configuration Release .
@@ -22,3 +23,6 @@ RUN chmod +x /codecrafters-precompile.sh
 
 ENV CODECRAFTERS_DEPENDENCY_FILE_PATHS="codecrafters-redis.csproj,codecrafters-redis.sln"
 
+
+# Once the heave steps are done, we can copy all files back
+COPY . /app

dockerfiles/go-1.19.Dockerfile

@@ -1,9 +1,14 @@
+# syntax=docker/dockerfile:1.7-labs
 FROM golang:1.19-alpine
 
 ENV CODECRAFTERS_DEPENDENCY_FILE_PATHS="go.mod,go.sum"
 
 WORKDIR /app
 
-COPY go.mod go.sum ./
+# .git & README.md are unique per-repository. We ignore them on first copy to prevent cache misses
+COPY --exclude=.git --exclude=README.md . /app
 
 RUN ash -c "set -exo pipefail; go mod graph | awk '{if (\$1 !~ \"@\") {print \$2}}' | xargs -r go get"
+
+# Once the heave steps are done, we can copy all files back
+COPY . /app

dockerfiles/go-1.21.Dockerfile

@@ -1,13 +1,18 @@
+# syntax=docker/dockerfile:1.7-labs
 FROM golang:1.21-alpine
 
 ENV CODECRAFTERS_DEPENDENCY_FILE_PATHS="go.mod,go.sum"
 
 WORKDIR /app
 
-COPY go.mod go.sum ./
+# .git & README.md are unique per-repository. We ignore them on first copy to prevent cache misses
+COPY --exclude=.git --exclude=README.md . /app
 
 # Starting from Go 1.20, the go standard library is no loger compiled
 # setting the GODEBUG environment to "installgoroot=all" restores the old behavior
 RUN GODEBUG="installgoroot=all" go install std
 
 RUN ash -c "set -exo pipefail; go mod graph | awk '{if (\$1 !~ \"@\") {print \$2}}' | xargs -r go get"
+
+# Once the heave steps are done, we can copy all files back
+COPY . /app

dockerfiles/go-1.22.Dockerfile

@@ -1,13 +1,18 @@
+# syntax=docker/dockerfile:1.7-labs
 FROM golang:1.22-alpine
 
 ENV CODECRAFTERS_DEPENDENCY_FILE_PATHS="go.mod,go.sum"
 
 WORKDIR /app
 
-COPY go.mod go.sum ./
+# .git & README.md are unique per-repository. We ignore them on first copy to prevent cache misses
+COPY --exclude=.git --exclude=README.md . /app
 
 # Starting from Go 1.20, the go standard library is no loger compiled
 # setting the GODEBUG environment to "installgoroot=all" restores the old behavior
 RUN GODEBUG="installgoroot=all" go install std
 
 RUN ash -c "set -exo pipefail; go mod graph | awk '{if (\$1 !~ \"@\") {print \$2}}' | xargs -r go get"
+
+# Once the heave steps are done, we can copy all files back
+COPY . /app

dockerfiles/haskell-9.4.Dockerfile

@@ -1,3 +1,4 @@
+# syntax=docker/dockerfile:1.7-labs
 FROM haskell:9.4.6-buster
 
 WORKDIR /app
@@ -11,12 +12,9 @@ RUN echo "allow-different-user: true" >> /etc/stack/config.yaml
 RUN echo "install-ghc: false" >> /etc/stack/config.yaml
 RUN echo "system-ghc: true" >> /etc/stack/config.yaml
 
-COPY stack.yaml package.yaml stack.yaml.lock /app/
+# .git & README.md are unique per-repository. We ignore them on first copy to prevent cache misses
+COPY --exclude=.git --exclude=README.md . /app
 
-# Dummy static content to circumvent the /app doesn't exist warning
-RUN mkdir /app/app
-RUN echo 'main :: IO ()' >> /app/app/Main.hs
-RUN echo 'main = putStrLn "Hello, World!"' >> /app/app/Main.hs
 
 ENV STACK_ROOT=/app/.stack
 
@@ -32,3 +30,6 @@ RUN echo "cd \${CODECRAFTERS_SUBMISSION_DIR} && stack build" > /codecrafters-pre
 RUN chmod +x /codecrafters-precompile.sh
 
 ENV CODECRAFTERS_DEPENDENCY_FILE_PATHS="stack.yaml,package.yaml,stack.yaml.lock"
+
+# Once the heave steps are done, we can copy all files back
+COPY . /app

dockerfiles/java-21.Dockerfile

@@ -1,8 +1,10 @@
+# syntax=docker/dockerfile:1.7-labs
 FROM maven:3.9.5-eclipse-temurin-21-alpine
 
-COPY pom.xml /app/pom.xml
 
 WORKDIR /app
+# .git & README.md are unique per-repository. We ignore them on first copy to prevent cache misses
+COPY --exclude=.git --exclude=README.md . /app
 
 # Download the dependencies
 RUN mvn -B package -Ddir=/tmp/codecrafters-redis-target
@@ -13,4 +15,6 @@ RUN mv /app/target /app-cached # Is this needed?
 
 # Pre-compile steps
 RUN printf "cd \${CODECRAFTERS_SUBMISSION_DIR} && mvn -B package -Ddir=/tmp/codecrafters-redis-target && sed -i 's/^\(mvn .*\)/#\1/' ./spawn_redis_server.sh\n" > /codecrafters-precompile.sh
-RUN chmod +x /codecrafters-precompile.sh
+RUN chmod +x /codecrafters-precompile.sh
+# Once the heave steps are done, we can copy all files back
+COPY . /app

dockerfiles/nodejs-21.Dockerfile

@@ -1,15 +1,19 @@
+# syntax=docker/dockerfile:1.7-labs
 FROM node:21.7-alpine3.19
 
 ENV CODECRAFTERS_DEPENDENCY_FILE_PATHS="package.json,package-lock.json"
 
 WORKDIR /app
 
-COPY package.json ./
-COPY package-lock.json ./
+# .git & README.md are unique per-repository. We ignore them on first copy to prevent cache misses
+COPY --exclude=.git --exclude=README.md . /app
 
 # If dependencies in the package lock do not match those in package.json, instead of updating the package lock, npm ci will exit with an error. 
 RUN npm ci
 
 RUN mkdir -p /app-cached
 # If the node_modules directory exists, move it to /app-cached
 RUN if [ -d "/app/node_modules" ]; then mv /app/node_modules /app-cached; fi
+
+# Once the heave steps are done, we can copy all files back
+COPY . /app

dockerfiles/ruby-3.3.Dockerfile

@@ -1,7 +1,11 @@
+# syntax=docker/dockerfile:1.7-labs
 FROM ruby:3.3-alpine
 
 ENV CODECRAFTERS_DEPENDENCY_FILE_PATHS="Gemfile,Gemfile.lock"
 WORKDIR /app
 
-COPY Gemfile Gemfile.lock ./
-RUN bundle install --verbose
+# .git & README.md are unique per-repository. We ignore them on first copy to prevent cache misses
+COPY --exclude=.git --exclude=README.md . /app
+RUN bundle install --verbose
+# Once the heave steps are done, we can copy all files back
+COPY . /app

dockerfiles/rust-1.43.Dockerfile

@@ -1,12 +1,13 @@
+# syntax=docker/dockerfile:1.7-labs
 FROM rust:1.43-buster
 
-COPY Cargo.toml /app/Cargo.toml
-COPY Cargo.lock /app/Cargo.lock
 
 RUN mkdir /app/src
 RUN echo 'fn main() { println!("Hello World!"); }' > /app/src/main.rs
 
 WORKDIR /app
+# .git & README.md are unique per-repository. We ignore them on first copy to prevent cache misses
+COPY --exclude=.git --exclude=README.md . /app
 RUN cargo build --release --target-dir=/tmp/codecrafters-redis-target
 
 RUN rm /tmp/codecrafters-redis-target/release/redis-starter-rust
@@ -22,3 +23,6 @@ RUN rm -rf /app/src
 
 ENV CODECRAFTERS_DEPENDENCY_FILE_PATHS="Cargo.toml,Cargo.lock"
 
+
+# Once the heave steps are done, we can copy all files back
+COPY . /app

dockerfiles/rust-1.54.Dockerfile

@@ -1,12 +1,13 @@
+# syntax=docker/dockerfile:1.7-labs
 FROM rust:1.54-buster
 
-COPY Cargo.toml /app/Cargo.toml
-COPY Cargo.lock /app/Cargo.lock
 
 RUN mkdir /app/src
 RUN echo 'fn main() { println!("Hello World!"); }' > /app/src/main.rs
 
 WORKDIR /app
+# .git & README.md are unique per-repository. We ignore them on first copy to prevent cache misses
+COPY --exclude=.git --exclude=README.md . /app
 RUN cargo build --release --target-dir=/tmp/codecrafters-redis-target
 
 RUN rm /tmp/codecrafters-redis-target/release/redis-starter-rust
@@ -25,3 +26,6 @@ RUN chmod +x /codecrafters-precompile.sh
 
 ENV CODECRAFTERS_DEPENDENCY_FILE_PATHS="Cargo.toml,Cargo.lock"
 
+
+# Once the heave steps are done, we can copy all files back
+COPY . /app

dockerfiles/rust-1.62.Dockerfile

@@ -1,12 +1,13 @@
+# syntax=docker/dockerfile:1.7-labs
 FROM rust:1.62-buster
 
-COPY Cargo.toml /app/Cargo.toml
-COPY Cargo.lock /app/Cargo.lock
 
 RUN mkdir /app/src
 RUN echo 'fn main() { println!("Hello World!"); }' > /app/src/main.rs
 
 WORKDIR /app
+# .git & README.md are unique per-repository. We ignore them on first copy to prevent cache misses
+COPY --exclude=.git --exclude=README.md . /app
 RUN cargo build --release --target-dir=/tmp/codecrafters-redis-target
 
 RUN rm /tmp/codecrafters-redis-target/release/redis-starter-rust
@@ -25,3 +26,6 @@ RUN chmod +x /codecrafters-precompile.sh
 
 ENV CODECRAFTERS_DEPENDENCY_FILE_PATHS="Cargo.toml,Cargo.lock"
 
+
+# Once the heave steps are done, we can copy all files back
+COPY . /app

dockerfiles/rust-1.68.Dockerfile

@@ -1,12 +1,13 @@
+# syntax=docker/dockerfile:1.7-labs
 FROM rust:1.68-buster
 
-COPY Cargo.toml /app/Cargo.toml
-COPY Cargo.lock /app/Cargo.lock
 
 RUN mkdir /app/src
 RUN echo 'fn main() { println!("Hello World!"); }' > /app/src/main.rs
 
 WORKDIR /app
+# .git & README.md are unique per-repository. We ignore them on first copy to prevent cache misses
+COPY --exclude=.git --exclude=README.md . /app
 RUN cargo build --release --target-dir=/tmp/codecrafters-redis-target
 
 RUN rm /tmp/codecrafters-redis-target/release/redis-starter-rust
@@ -25,3 +26,6 @@ RUN chmod +x /codecrafters-precompile.sh
 
 ENV CODECRAFTERS_DEPENDENCY_FILE_PATHS="Cargo.toml,Cargo.lock"
 
+
+# Once the heave steps are done, we can copy all files back
+COPY . /app

dockerfiles/rust-1.70.Dockerfile

@@ -1,12 +1,13 @@
+# syntax=docker/dockerfile:1.7-labs
 FROM rust:1.70-buster
 
-COPY Cargo.toml /app/Cargo.toml
-COPY Cargo.lock /app/Cargo.lock
 
 RUN mkdir /app/src
 RUN echo 'fn main() { println!("Hello World!"); }' > /app/src/main.rs
 
 WORKDIR /app
+# .git & README.md are unique per-repository. We ignore them on first copy to prevent cache misses
+COPY --exclude=.git --exclude=README.md . /app
 RUN cargo build --release --target-dir=/tmp/codecrafters-redis-target
 
 RUN rm /tmp/codecrafters-redis-target/release/redis-starter-rust
@@ -25,3 +26,6 @@ RUN chmod +x /codecrafters-precompile.sh
 
 ENV CODECRAFTERS_DEPENDENCY_FILE_PATHS="Cargo.toml,Cargo.lock"
 
+
+# Once the heave steps are done, we can copy all files back
+COPY . /app

dockerfiles/rust-1.76.Dockerfile

@@ -1,12 +1,13 @@
+# syntax=docker/dockerfile:1.7-labs
 FROM rust:1.76-buster
 
-COPY Cargo.toml /app/Cargo.toml
-COPY Cargo.lock /app/Cargo.lock
 
 RUN mkdir /app/src
 RUN echo 'fn main() { println!("Hello World!"); }' > /app/src/main.rs
 
 WORKDIR /app
+# .git & README.md are unique per-repository. We ignore them on first copy to prevent cache misses
+COPY --exclude=.git --exclude=README.md . /app
 RUN cargo build --release --target-dir=/tmp/codecrafters-redis-target
 
 RUN rm /tmp/codecrafters-redis-target/release/redis-starter-rust
@@ -25,3 +26,6 @@ RUN chmod +x /codecrafters-precompile.sh
 
 ENV CODECRAFTERS_DEPENDENCY_FILE_PATHS="Cargo.toml,Cargo.lock"
 
+
+# Once the heave steps are done, we can copy all files back
+COPY . /app