diff --git a/.github/workflows/go.yml b/.github/workflows/go.yml
index ec24679..973b698 100644
--- a/.github/workflows/go.yml
+++ b/.github/workflows/go.yml
@@ -20,6 +20,7 @@ env:
   GOMODCACHE: /home/runner/go/mod
   GOPROXY: https://proxy.golang.org
   GOTOOLCHAIN: local
+  MONGODB_URI: mongodb://localhost:27017/
 
   # TODO https://github.com/FerretDB/wire/issues/9
   GOEXPERIMENT: rangefunc
@@ -57,7 +58,13 @@ jobs:
       - name: Generate and format
         run: bin/task gen
 
-      - name: Run tests
+      - name: Run short tests
+        run: bin/task test-short
+
+      - name: Start development environment
+        run: bin/task env-up-detach
+
+      - name: Run all tests
         run: bin/task test
 
       - name: Fuzz
diff --git a/Taskfile.yml b/Taskfile.yml
index 3f5c253..86792cf 100644
--- a/Taskfile.yml
+++ b/Taskfile.yml
@@ -17,11 +17,34 @@ tasks:
       - go generate -x
 
   init:
+    desc: "Install development tools"
     deps: [init-tools]
     cmds:
       - go mod tidy
       - go mod verify
 
+  env-up-detach:
+    cmds:
+      - docker version
+      - docker compose version
+      - >
+        docker compose up --always-recreate-deps --force-recreate --remove-orphans --renew-anon-volumes --timeout=0 --detach
+
+  env-logs:
+    cmds:
+      - docker compose logs --follow
+
+  env-up:
+    desc: "Start development environment"
+    deps: [env-up-detach]
+    cmds:
+      - task: env-logs
+
+  env-down:
+    desc: "Stop development environment"
+    cmds:
+      - docker compose down --remove-orphans --volumes
+
   gen:
     desc: "Generate and format"
     cmds:
@@ -33,10 +56,17 @@ tasks:
     cmds:
       - bin/gofumpt -w .
 
+  test-short:
+    desc: "Run short tests"
+    cmds:
+      - go test -short -race ./...
+
   test:
-    desc: "Run tests"
+    desc: "Run all tests (requires MONGODB_URI set)"
     cmds:
-      - go test ./...
+      - go test -race ./...
+    env:
+      MONGODB_URI: mongodb://localhost:27017/
 
   fuzz:
     desc: "Fuzz for about 1 minute (with default FUZZ_TIME)"
diff --git a/docker-compose.yml b/docker-compose.yml
new file mode 100644
index 0000000..4aa3e2e
--- /dev/null
+++ b/docker-compose.yml
@@ -0,0 +1,8 @@
+---
+# This file is used by integration tests.
+
+services:
+  mongodb:
+    image: mongo:latest
+    ports:
+      - 27017:27017
diff --git a/wireclient/docker-compose.yml b/wireclient/docker-compose.yml
deleted file mode 100644
index ed97d53..0000000
--- a/wireclient/docker-compose.yml
+++ /dev/null
@@ -1 +0,0 @@
----
diff --git a/wireclient/wireclient_test.go b/wireclient/wireclient_test.go
index 21b26dd..ea71244 100644
--- a/wireclient/wireclient_test.go
+++ b/wireclient/wireclient_test.go
@@ -16,8 +16,11 @@ package wireclient
 
 import (
 	"context"
+	"os"
 	"testing"
 
+	"github.com/stretchr/testify/require"
+
 	"github.com/FerretDB/wire/internal/util/testutil"
 )
 
@@ -26,7 +29,18 @@ func TestConn(t *testing.T) {
 		t.Skip("skipping integration tests for -short")
 	}
 
-	// TODO https://github.com/FerretDB/wire/issues/1
+	uri := os.Getenv("MONGODB_URI")
+	require.NotEmpty(t, uri, "MONGODB_URI environment variable must be set; set it or run tests with `go test -short`")
+
+	ctx := context.Background()
+
+	conn, err := Connect(ctx, uri, testutil.Logger(t))
+	require.NoError(t, err)
+	t.Cleanup(func() {
+		require.NoError(t, conn.Close())
+	})
 
-	Connect(context.TODO(), "mongodb://127.0.0.1:27017/", testutil.Logger(t))
+	t.Run("SomeTest", func(t *testing.T) {
+		// TODO https://github.com/FerretDB/wire/issues/1
+	})
 }