enable CI build for the whole app

Squashed commit of the following:

commit 9f767769ffd1887964e3294d47a043672208810d
Author: Tomáš Mládek <tmladek@protonmail.ch>
Date:   Sat Feb 20 11:51:20 2021 +0100

    update Makefile dependencies

commit 535689b90ea2061854082dda0381f03358f66fc9
Author: Tomáš Mládek <tmladek@protonmail.ch>
Date:   Sat Feb 20 11:02:24 2021 +0100

    build stage produces artifacts

commit 6841e1983141d99b30854430d6a9a6f9353ab9ac
Author: Tomáš Mládek <t@mldk.cz>
Date:   Sat Feb 20 10:58:10 2021 +0100

    install clippy, disable frontend lint for now

commit 778dec8436da536a2c76d9e34624bbbc47eee710
Author: Tomáš Mládek <tmladek@protonmail.ch>
Date:   Sat Feb 20 10:27:44 2021 +0100

    fix makefile (?)

commit b43ab42098bac0af4499a2b0e830c32cdcdcae52
Author: Tomáš Mládek <tmladek@protonmail.ch>
Date:   Sat Feb 20 10:25:38 2021 +0100

    CI test, build whole package

.gitlab-ci.yml

@@ -1,24 +1,63 @@
-# This file is a template, and might need editing before it works on your project.
-# Official language image. Look for the different tagged releases at:
-# https://hub.docker.com/r/library/rust/tags/
-image: "rust:latest"
+variables:
+  RUST_IMAGE: "rust:latest"
+  NODE_IMAGE: "node:lts"
 
-# Optional: Pick zero or more services to be used on all builds.
-# Only needed when using a docker container to run your tests in.
-# Check out: http://docs.gitlab.com/ce/ci/docker/using_docker_images.html#what-is-a-service
-# services:
-#   - mysql:latest
-#   - redis:latest
-#   - postgres:latest
+stages:
+  - lint
+  - build
+  - test
+  - release
 
-# Optional: Install a C compiler, cmake and git into the container.
-# You will often need this when you (or any of your dependencies) depends on C code.
-# before_script:
-#   - apt-get update -yqq
-#   - apt-get install -yqq --no-install-recommends build-essential
-
-# Use cargo to test the project
-test:cargo:
+lint:backend:
+  stage: lint
+  image: $RUST_IMAGE
   script:
-    - rustc --version && cargo --version  # Print version info for debugging
-    - cargo test --workspace --verbose
+    - rustup component add clippy
+    - make backend_lint
+  rules:
+    - allow_failure: true
+
+#lint:frontend:
+#  stage: lint
+#  image: $NODE_IMAGE
+#  script:
+#    - make frontend_lint
+#  rules:
+#    - allow_failure: true
+
+build:backend:
+  stage: build
+  image: $RUST_IMAGE
+  script:
+    - rustc --version && cargo --version
+    - make backend
+  artifacts:
+    paths:
+      - target
+    expire_in: 1 day
+
+build:frontend:
+  stage: build
+  image: $NODE_IMAGE
+  script:
+    - node --version && npm --version
+    - make frontend
+  artifacts:
+    paths:
+      - ui/dist
+    expire_in: 1 day
+
+test:backend:
+  stage: test
+  image: $RUST_IMAGE
+  script:
+    - make backend_test
+
+package:
+  stage: release
+  image: $RUST_IMAGE
+  script:
+    - make
+  artifacts:
+    paths:
+      - dist

Makefile

@@ -1,25 +1,33 @@
+all: package
 
-all: backend frontend
+package: target/release/upend ui/dist/index.html
 	rm -fr dist
 	mkdir dist
 	cp target/release/upend dist/upend
 	cp -r ui/dist dist/webui
 
-lint: backend_lint frontend_lint
+backend: target/release/upend
 
-backend:
+target/release/upend:
 	cargo build --release
 
+frontend: ui/node_modules ui/dist/index.html
+
+ui/dist/index.html:
+	cd ui && npm run build
+
+lint: backend_lint frontend_lint
+
 backend_lint:
 	cargo clippy
 
-frontend: npm_install
-	cd ui && npm run build
-
-frontend_lint: npm_install
+frontend_lint: ui/node_modules
 	cd ui && npm run lint
 
-npm_install:
+backend_test:
+	cargo test --workspace --verbose
+
+ui/node_modules:
 	cd ui && npm install
 
 clean: