feat: add Dockerfile and docker-compose configuration for standalone wallets service

Dockerfile

@@ -0,0 +1,27 @@
+FROM golang:1.24-alpine AS builder
+
+RUN apk add --no-cache git ca-certificates
+
+WORKDIR /src
+
+# Cache dependencies
+COPY go.mod go.sum ./
+RUN go mod download
+
+# Copy source
+COPY . .
+
+# Build
+RUN CGO_ENABLED=0 GOOS=linux go build -o /wallets .
+
+# Final image
+FROM alpine:3.19
+
+RUN apk add --no-cache ca-certificates curl
+
+COPY --from=builder /wallets /usr/bin/wallets
+
+ENV OTEL_SERVICE_NAME=wallets
+
+ENTRYPOINT ["/usr/bin/wallets"]
+CMD ["serve"]

deployments/docker-compose/Caddyfile

@@ -0,0 +1,39 @@
+{
+	admin off
+	auto_https off
+}
+
+:80 {
+	# Route ledger API requests
+	handle /api/ledger/* {
+		uri strip_prefix /api/ledger
+		reverse_proxy ledger:3068
+	}
+
+	# Route wallets API requests
+	handle /api/wallets/* {
+		uri strip_prefix /api/wallets
+		reverse_proxy wallets:8081
+	}
+
+	# Health check endpoint
+	handle /_healthcheck {
+		respond "OK" 200
+	}
+
+	# Service info endpoint
+	handle /_info {
+		header Content-Type application/json
+		respond `{"services":{"ledger":"/api/ledger","wallets":"/api/wallets"},"version":"standalone"}` 200
+	}
+
+	# Catch-all for unknown /api/* routes
+	handle /api/* {
+		respond "Bad Gateway" 502
+	}
+
+	# Default handler
+	handle {
+		respond "Not Found" 404
+	}
+}

docker-compose.yml

@@ -0,0 +1,75 @@
+volumes:
+  postgres:
+
+services:
+  # API Gateway - routes to ledger and wallets
+  gateway:
+    image: caddy:2-alpine
+    healthcheck:
+      test: ["CMD", "wget", "-q", "--spider", "http://127.0.0.1:80/_healthcheck"]
+      interval: 5s
+      timeout: 3s
+      retries: 10
+    depends_on:
+      ledger:
+        condition: service_healthy
+    ports:
+      - "${GATEWAY_PORT:-8080}:80"
+    volumes:
+      - ./deployments/docker-compose/Caddyfile:/etc/caddy/Caddyfile
+
+  # PostgreSQL database for Ledger
+  postgres:
+    image: postgres:16-alpine
+    healthcheck:
+      test: ["CMD-SHELL", "pg_isready -U ledger"]
+      interval: 10s
+      timeout: 5s
+      retries: 5
+    environment:
+      POSTGRES_USER: ledger
+      POSTGRES_PASSWORD: ledger
+      POSTGRES_DB: ledger
+    command: -c max_connections=200
+    # Uncomment for persistent data:
+    # volumes:
+    #   - postgres:/var/lib/postgresql/data
+
+  # Ledger service - the backing store for wallets
+  ledger:
+    image: ghcr.io/formancehq/ledger:latest
+    healthcheck:
+      test: ["CMD", "curl", "-f", "http://127.0.0.1:3068/_healthcheck"]
+      interval: 10s
+      timeout: 5s
+      retries: 10
+    depends_on:
+      postgres:
+        condition: service_healthy
+    ports:
+      - "${LEDGER_PORT:-3068}:3068"
+    environment:
+      DEBUG: ${DEBUG:-true}
+      POSTGRES_URI: postgres://ledger:ledger@postgres:5432/ledger?sslmode=disable
+      EXPERIMENTAL_FEATURES: "true"
+      AUTO_UPGRADE: "true"
+
+  # Wallets service (runs from local source)
+  wallets:
+    image: golang:1.24-alpine
+    healthcheck:
+      test: ["CMD", "wget", "-q", "--spider", "http://127.0.0.1:8081/_healthcheck"]
+      interval: 10s
+      timeout: 5s
+      retries: 10
+    depends_on:
+      gateway:
+        condition: service_healthy
+    ports:
+      - "${WALLETS_PORT:-8082}:8081"
+    volumes:
+      - .:/src
+    working_dir: /src
+    environment:
+      DEBUG: ${DEBUG:-true}
+    command: ["go", "run", ".", "serve", "--stack-url", "http://gateway", "--ledger", "wallets-001", "--listen", ":8081"]

flake.nix

@@ -12,7 +12,7 @@
 
   outputs = { self, nixpkgs, nur }:
     let
-      goVersion = 23;
+      goVersion = 24;
 
       supportedSystems = [
         "x86_64-linux"

pkg/testserver/testserver.go

@@ -5,10 +5,10 @@ import (
 	"github.com/formancehq/go-libs/v3/httpserver"
 	"github.com/formancehq/go-libs/v3/testing/deferred"
 	"github.com/formancehq/go-libs/v3/testing/testservice"
-	. "github.com/formancehq/go-libs/v3/testing/testservice/ginkgo"
+	. "github.com/formancehq/go-libs/v3/testing/testservice/ginkgo" //nolint:staticcheck
 	"github.com/formancehq/wallets/cmd"
 	walletsclient "github.com/formancehq/wallets/pkg/client"
-	. "github.com/onsi/ginkgo/v2/dsl/core"
+	. "github.com/onsi/ginkgo/v2/dsl/core" //nolint:staticcheck
 )
 
 func StackURLInstrumentation(stackURL *deferred.Deferred[string]) testservice.Instrumentation {