chore: scaffold workspace with nextest and docker compose

Workspace with 6 crates: wfe-core, wfe-sqlite, wfe-postgres,
wfe-opensearch, wfe-valkey, and wfe (umbrella). Nextest profiles
for default, integration, and CI. Docker compose for PostgreSQL,
Valkey, and OpenSearch integration tests.

.config/nextest.toml

@@ -0,0 +1,40 @@
+[store]
+dir = "target/nextest"
+
+[profile.default]
+test-threads = "num-cpus"
+status-level = "pass"
+final-status-level = "flaky"
+failure-output = "immediate-final"
+success-output = "never"
+fail-fast = true
+slow-timeout = { period = "30s", terminate-after = 2 }
+
+[profile.default.junit]
+path = "target/nextest/default/junit.xml"
+
+[profile.integration]
+test-threads = 4
+fail-fast = false
+slow-timeout = { period = "120s", terminate-after = 2 }
+failure-output = "immediate-final"
+retries = 1
+
+[profile.integration.junit]
+path = "target/nextest/integration/junit.xml"
+
+[profile.ci]
+fail-fast = false
+test-threads = "num-cpus"
+failure-output = "immediate-final"
+success-output = "final"
+slow-timeout = { period = "60s", terminate-after = 3 }
+retries = 2
+
+[profile.ci.junit]
+path = "target/nextest/ci/junit.xml"
+
+# Postgres tests must run serially (shared database state)
+[[profile.default.overrides]]
+filter = "package(wfe-postgres)"
+threads-required = "num-cpus"

.gitignore

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+/target
+Cargo.lock
+*.swp
+*.swo
+.DS_Store
+.env

Cargo.toml

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+[workspace]
+members = ["wfe-core", "wfe-sqlite", "wfe-postgres", "wfe-opensearch", "wfe-valkey", "wfe"]
+resolver = "2"
+
+[workspace.package]
+version = "0.1.0"
+edition = "2024"
+license = "MIT"
+
+[workspace.dependencies]
+# Core
+tokio = { version = "1", features = ["full"] }
+serde = { version = "1", features = ["derive"] }
+serde_json = "1"
+async-trait = "0.1"
+uuid = { version = "1", features = ["v4", "serde"] }
+chrono = { version = "0.4", features = ["serde"] }
+thiserror = "2"
+tracing = "0.1"
+tracing-subscriber = { version = "0.3", features = ["env-filter"] }
+
+# HTTP
+reqwest = { version = "0.12", features = ["json"] }
+
+# Persistence
+sqlx = { version = "0.8", features = ["runtime-tokio", "tls-rustls", "sqlite", "postgres", "chrono", "uuid", "json"] }
+
+# Redis/Valkey
+redis = { version = "0.27", features = ["tokio-comp", "connection-manager"] }
+
+# Search
+opensearch = "2"
+
+# Internal crates
+wfe-core = { path = "wfe-core" }
+wfe-sqlite = { path = "wfe-sqlite" }
+wfe-postgres = { path = "wfe-postgres" }
+wfe-opensearch = { path = "wfe-opensearch" }
+wfe-valkey = { path = "wfe-valkey" }
+
+# Dev/Test
+pretty_assertions = "1"
+rstest = "0.23"
+wiremock = "0.6"
+tokio-stream = "0.1"

docker-compose.yml

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+services:
+  postgres:
+    image: postgres:17
+    environment:
+      POSTGRES_USER: wfe
+      POSTGRES_PASSWORD: wfe
+      POSTGRES_DB: wfe_test
+    ports:
+      - "5433:5432"
+    healthcheck:
+      test: ["CMD-SHELL", "pg_isready -U wfe"]
+      interval: 2s
+      timeout: 5s
+      retries: 10
+
+  valkey:
+    image: valkey/valkey:8
+    ports:
+      - "6379:6379"
+    healthcheck:
+      test: ["CMD", "valkey-cli", "ping"]
+      interval: 2s
+      timeout: 5s
+      retries: 10
+
+  opensearch:
+    image: opensearchproject/opensearch:2
+    environment:
+      - discovery.type=single-node
+      - DISABLE_SECURITY_PLUGIN=true
+      - OPENSEARCH_INITIAL_ADMIN_PASSWORD=admin
+    ports:
+      - "9200:9200"
+    healthcheck:
+      test: ["CMD-SHELL", "curl -s http://localhost:9200 | grep -q 'opensearch'"]
+      interval: 5s
+      timeout: 10s
+      retries: 20