From 1999f9652333f4bcb9b754006eeb46e5f0f207a7 Mon Sep 17 00:00:00 2001
From: Yago Iglesias <yagoiglesias7@gmail.com>
Date: Fri, 1 Sep 2023 22:44:42 +0200
Subject: [PATCH] feat(dockerfile): Improve size and layering

---
 .dockerignore |  3 ---
 Dockerfile    | 27 ++++++++++++++++++++++++---
 2 files changed, 24 insertions(+), 6 deletions(-)

diff --git a/.dockerignore b/.dockerignore
index 543635d..5d2a7ec 100644
--- a/.dockerignore
+++ b/.dockerignore
@@ -1,8 +1,5 @@
 .env
-.dockerignore
-spec.yaml
 target/
-deploy/
 tests/
 Dockerfile
 scripts/
diff --git a/Dockerfile b/Dockerfile
index a6ac04a..bbe93b4 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,9 +1,30 @@
-FROM rust:1.71.0
+FROM lukemathwalker/cargo-chef:latest-rust-1.71 as chef
+
 WORKDIR /app
 RUN apt update && apt install lld clang -y
+
+FROM chef as planner
+COPY . .
+RUN cargo chef prepare --recipe-path recipe.json
+
+FROM chef as builder
+COPY --from=planner /app/recipe.json recipe.json
+RUN cargo chef cook --release --recipe-path recipe.json
 COPY . .
 ENV SQLX_OFFLINE true
-RUN cargo build --release
+RUN cargo build --release --bin zero2prod
+
+
+FROM debian:bullseye-slim AS runtime
+
+WORKDIR /app
+RUN apt-get update -y \
+    && apt-get install -y --no-install-recommends openssl ca-certificates \
+    && apt-get autoremove -y \
+    && apt-get clean -y \
+    && rm -rf /var/lib/apt/lists/*
+COPY --from=builder /app/target/release/zero2prod zero2prod
+COPY configuration configuration
 ENV APP_ENVIRONMENT production
 
-ENTRYPOINT ["./target/release/zero2prod"]
+ENTRYPOINT ["./zero2prod"]