add minimal ci

.github/workflows/push.yaml

@@ -0,0 +1,35 @@
+name: push
+on:
+  push:
+    paths-ignore:
+      - ".gitignore"
+      - ".github/images"
+      - "README.md"
+jobs:
+  push:
+    if: "! contains(github.ref, 'refs/tags/')"
+    runs-on: ubuntu-20.04
+    env:
+      GENENV_FILE: ./config/genenv.ci.sh
+      STRIPE_KEY: ${{ secrets.STRIPE_KEY }}
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+      - uses: cachix/install-nix-action@v22
+        with:
+          extra_nix_config: "system-features = nixos-test benchmark big-parallel kvm"
+      - run: printenv
+      - name: Lint
+        run: nix develop --command make lint
+      - name: Unit tests
+        run: nix develop --command make test/unit
+      - name: Docker build
+        run: REMOVE_RESULT=0 nix develop --command make docker/build
+      - name: End to end tests
+        run: nix develop --command make test/e2e
+      - name: Store docker image as artifact
+        uses: actions/upload-artifact@v3
+        with:
+          name: docker-image
+          path: ./result
+

Makefile

@@ -2,7 +2,22 @@
 start:
 	go run ./cmd/server
 
-.PHONY: test
-test:
+.PHONY: lint
+lint:
+	golangci-lint run --timeout 2m ./...
+
+.PHONY: test/unit
+test/unit:
 	go test -v -p 1 -count=1 ./...
 
+.PHONY: test/e2e
+test/e2e:
+	@true
+
+.PHONY: build
+build:
+	@true
+
+.PHONY: docker/build
+docker/build:
+	@true

flake.nix

@@ -17,7 +17,11 @@
           {
             devShells = {
               default = pkgs.mkShell {
-                buildInputs = with pkgs; [ go gopls ];
+                buildInputs = with pkgs; [
+                  go
+                  gopls
+                  golangci-lint
+                ];
               };
             };
           });