use cargo-chef to cache build

# Conflicts:
#	.drone.yml

.dockerignore

@@ -0,0 +1,6 @@
+target
+.git
+.gitignore
+.drone.yml
+docker-compose.yml
+.pre-commit-config.yaml

.drone.yml

@@ -53,4 +53,4 @@ trigger:
   - actix
   event:
   - push
-  - tag
+  - tag

.pre-commit-config.yaml

@@ -0,0 +1,10 @@
+# See https://pre-commit.com for more information
+# See https://pre-commit.com/hooks.html for more hooks
+repos:
+  - repo: https://github.com/pre-commit/pre-commit-hooks
+    rev: v3.2.0
+    hooks:
+      - id: trailing-whitespace
+      - id: end-of-file-fixer
+      - id: check-yaml
+      - id: check-added-large-files

Dockerfile

@@ -1,25 +1,34 @@
-FROM rustlang/rust:nightly-alpine as builder
+FROM rust:1-alpine as chef
 
 ENV CARGO_REGISTRIES_CRATES_IO_PROTOCOL sparse
 
-RUN apk add --no-cache musl-dev
+RUN apk add --no-cache musl-dev curl
+
+# install cargo-binstall
+RUN curl -L --proto '=https' --tlsv1.2 -sSf https://raw.githubusercontent.com/cargo-bins/cargo-binstall/main/install-from-binstall-release.sh -o install-from-binstall-release.sh
+RUN sh install-from-binstall-release.sh
+
+# install cargo-chef
+RUN cargo binstall -y cargo-chef
 
 WORKDIR /home/rust/src
 
-COPY Cargo.toml /home/rust/src/
-COPY Cargo.lock /home/rust/src/
-RUN mkdir /home/rust/src/src && \
-    echo 'fn main() {}' > /home/rust/src/src/main.rs
+FROM chef AS planner
 
-RUN cargo fetch
+COPY . .
+
+RUN cargo chef prepare --recipe-path recipe.json
+
+FROM chef as builder
+COPY --from=planner /home/rust/src/recipe.json recipe.json
+
+# build & cache deps
+RUN cargo chef cook --release --recipe-path recipe.json
+
+# build app with cached deps
+COPY . .
 RUN cargo build --release
 
-RUN rm -f /home/rust/src/src/main.rs
-COPY src /home/rust/src/src
-RUN touch /home/rust/src/src/main.rs
-
-RUN cargo build -v --release
-
 FROM scratch
 
 COPY static /static

docker-compose.yml

@@ -1,10 +1,10 @@
 version: '2'
 services:
   qchgk:
-    build:
-      context: src
-      dockerfile: ../Dockerfile
-    image: 'b4tman/qchgk:rocket'
+    #build:
+    #  context: src
+    #  dockerfile: ../Dockerfile
+    image: 'gitea.b4tman.ru/b4tman/qchgk:latest'
     container_name: 'qchgk'
     ports:
       - '8088:8088'
@@ -19,4 +19,4 @@ services:
 #      RUST_BACKTRACE: 1
 #      RUST_BACKTRACE: full
     volumes:
-      - '/data/lab/docker/qchgk_web/db:/db/:ro'
+      - './db.dat:/db.dat:ro'