chore: use nix in the entire CI, formatting and clippy fixes

Author: lajp

.github/workflows/build.yml

@@ -1,17 +1,50 @@
-name: Docker
+name: CI/CD
+
 on:
   push:
-    branches:
-      - "main"
-    tags:
-      - "*"
-  workflow_dispatch:
+    branches: [ main ]
+    tags: [ '*' ]
+  pull_request:
+
 env:
   REGISTRY: ghcr.io
   IMAGE_NAME: ${{ github.repository }}
+
 jobs:
+  check:
+    name: Nix CI
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: cachix/install-nix-action@v24
+        with:
+          nix_path: nixpkgs=channel:nixos-unstable
+      - uses: DeterminateSystems/magic-nix-cache-action@v2
+      - run: nix flake check
+      - run: nix build
+
+  build:
+    name: Build Binary
+    needs: check
+    if: github.event_name == 'push' && (github.ref == 'refs/heads/main' || startsWith(github.ref, 'refs/tags/'))
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: cachix/install-nix-action@v24
+        with:
+          nix_path: nixpkgs=channel:nixos-unstable
+      - uses: DeterminateSystems/magic-nix-cache-action@v2
+      - run: nix build
+      - run: mkdir -p target/release && cp result/bin/testaustime target/release/testaustime-rs
+      - uses: actions/upload-artifact@v4
+        with:
+          name: build
+          path: target/release/testaustime-rs
+
   build-image:
     name: Build Docker image
+    needs: check
+    if: github.event_name == 'push' && (github.ref == 'refs/heads/main' || startsWith(github.ref, 'refs/tags/'))
     strategy:
       matrix:
         runner:
@@ -23,7 +56,7 @@ jobs:
       packages: write
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Install Nix
         uses: cachix/install-nix-action@v24
@@ -81,7 +114,8 @@ jobs:
       
       - name: Tag and push Docker image
         run: |
-          for tag in ${{ steps.meta.outputs.tags }}; do
+          for tag in ${{ steps.meta.outputs.tags }};
+          do
             docker tag ${{ steps.image.outputs.name }} $tag
             docker push $tag
           done
@@ -117,7 +151,8 @@ jobs:
       - name: Create and push manifest
         run: |
           TAGS="${{ steps.meta.outputs.tags }}"
-          for tag in $TAGS; do
+          for tag in $TAGS;
+          do
             docker manifest create $tag \
               ${tag}-amd64 \
               ${tag}-arm64

.github/workflows/docker.yml .github/workflows/ci.yml.github/workflows/docker.yml renamed to .github/workflows/ci.yml

@@ -2,7 +2,10 @@
 name = "testaustime"
 version = "0.3.1"
 edition = "2021"
-authors = ["Ville Järvinen <jarvinenville606@gmail.com>", "Luukas Pörtfors <lajp@iki.fi>"]
+authors = [
+  "Ville Järvinen <jarvinenville606@gmail.com>",
+  "Luukas Pörtfors <lajp@iki.fi>",
+]
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 [features]
@@ -15,8 +18,14 @@ lto = true
 [dependencies]
 axum = { version = "0.8", features = ["macros", "tokio"] }
 axum-extra = { version = "0.10", features = ["cookie", "cookie-private"] }
-tokio = { version = "1.35", features = ["macros", "rt-multi-thread"]}
-reqwest = { version = "0.12", optional = true, default-features = false, features = ["json", "rustls-tls", "charset", "http2", "macos-system-configuration"] }
+tokio = { version = "1.35", features = ["macros", "rt-multi-thread"] }
+reqwest = { version = "0.12", optional = true, default-features = false, features = [
+  "json",
+  "rustls-tls",
+  "charset",
+  "http2",
+  "macos-system-configuration",
+] }
 http = "1.0"
 http-body-util = "0.1"
 regex = "1.5"
@@ -25,7 +34,10 @@ tower = "0.5"
 tower-http = { version = "0.6", features = ["trace"] }
 
 tracing = "0.1.40"
-tracing-subscriber = { version = "0.3", features = ["env-filter", "tracing-log"] }
+tracing-subscriber = { version = "0.3", features = [
+  "env-filter",
+  "tracing-log",
+] }
 tracing-futures = "0.2"
 
 thiserror = "2.0"
@@ -39,7 +51,7 @@ futures = "0.3"
 futures-util = "0.3"
 chrono = { version = "0.4", features = ["serde"] }
 dashmap = "6.1"
-argon2 = { version = "0.4", features = ["std"]}
+argon2 = { version = "0.4", features = ["std"] }
 rand = "0.9"
 dotenv = "0.15"
 url = "2.2"
@@ -48,8 +60,15 @@ itertools = "0.14"
 governor = "0.10.0"
 diesel = { version = "2.1.0", features = ["chrono", "serde_json"] }
 diesel-async = { version = "0.5.1", features = ["postgres", "deadpool"] }
-lettre = { version = "0.11.14", default-features = false, features = ["tokio1-rustls-tls", "tracing", "pool", "smtp-transport", "hostname", "builder"]}
+lettre = { version = "0.11.14", default-features = false, features = [
+  "tokio1-rustls-tls",
+  "tracing",
+  "pool",
+  "smtp-transport",
+  "hostname",
+  "builder",
+] }
 mime = "0.3.17"
 utoipa = { version = "5.4.0", features = ["axum_extras", "chrono"] }
 utoipa-axum = "0.2.0"
-utoipa-swagger-ui = { version = "9.0.2", features = ["axum"] }
+utoipa-swagger-ui = { version = "9.0.2", features = ["axum", "vendored"] }