chore: add earthfile

Earthfile

@@ -0,0 +1,75 @@
+# Set the Earthly version to 0.7
+VERSION 0.7
+FROM debian:stable-slim
+
+rust-toolchain:
+    FROM rust:1.71-slim-bullseye
+    RUN rustup component add rustfmt
+
+# Installs Cargo chef
+install-chef:
+    FROM +rust-toolchain
+    RUN cargo install --debug cargo-chef
+
+# Prepares the local cache
+prepare-cache:
+    FROM +install-chef
+    COPY --dir vitup iapyx valgrind integration-tests registration-service registration-verify-service snapshot-trigger-service signals-handler .
+    COPY Cargo.lock Cargo.toml .
+    RUN cargo chef prepare
+    SAVE ARTIFACT recipe.json
+    SAVE IMAGE --cache-hint
+
+# Builds the local cache
+build-cache:
+    FROM +install-chef
+    COPY +prepare-cache/recipe.json ./
+
+    # Install build dependencies
+    RUN apt-get update && \
+        apt-get install -y --no-install-recommends \
+        build-essential \
+        libssl-dev \
+        libpq-dev \
+        libsqlite3-dev \
+        pkg-config \
+        protobuf-compiler
+
+    RUN cargo chef cook --release
+    SAVE ARTIFACT target
+    SAVE ARTIFACT $CARGO_HOME cargo_home
+    SAVE IMAGE --cache-hint
+
+# This is the default builder that all other builders should inherit from
+builder:
+    FROM +rust-toolchain
+
+    WORKDIR /src
+
+    # Install build dependencies
+    RUN apt-get update && \
+        apt-get install -y --no-install-recommends \
+        build-essential \
+        libssl-dev \
+        libpq-dev \
+        libsqlite3-dev \
+        pkg-config \
+        protobuf-compiler
+    COPY --dir vitup iapyx valgrind integration-tests registration-service registration-verify-service snapshot-trigger-service signals-handler .
+    COPY --dir Cargo.lock Cargo.toml .
+    COPY +build-cache/cargo_home $CARGO_HOME
+    COPY +build-cache/target target
+    SAVE ARTIFACT /src
+
+build:
+    FROM +builder
+
+    COPY --dir vitup iapyx valgrind integration-tests registration-service registration-verify-service snapshot-trigger-service signals-handler .
+    COPY Cargo.toml Cargo.lock ./
+
+    RUN cargo build --locked --release -p iapyx -p valgrind -p vitup
+
+    SAVE ARTIFACT /src/target/release/iapyx iapyx
+    SAVE ARTIFACT /src/target/release/iapyx-load iapyx-load
+    SAVE ARTIFACT /src/target/release/valgrind valgrind
+    SAVE ARTIFACT /src/target/release/vitup vitup