feat(docker): Add Dockerfiles for all services

cmd/audit-service/Dockerfile

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+# Build stage
+FROM golang:1.25-alpine AS builder
+
+WORKDIR /build
+
+# Install build dependencies
+RUN apk add --no-cache git make
+
+# Copy go mod files
+COPY go.mod go.sum ./
+RUN go mod download
+
+# Copy source code
+COPY . .
+
+# Build the service
+WORKDIR /build/cmd/audit-service
+RUN CGO_ENABLED=0 GOOS=linux go build -o audit-service -a -installsuffix cgo .
+
+# Runtime stage
+FROM alpine:latest
+
+RUN apk --no-cache add ca-certificates tzdata
+
+WORKDIR /app
+
+# Copy binary from builder
+COPY --from=builder /build/cmd/audit-service/audit-service .
+
+# Copy config files
+COPY --from=builder /build/config ./config
+
+EXPOSE 8084
+
+CMD ["./audit-service"]
+

cmd/auth-service/Dockerfile

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+# Build stage
+FROM golang:1.25-alpine AS builder
+
+WORKDIR /build
+
+# Install build dependencies
+RUN apk add --no-cache git make
+
+# Copy go mod files
+COPY go.mod go.sum ./
+RUN go mod download
+
+# Copy source code
+COPY . .
+
+# Build the service
+WORKDIR /build/cmd/auth-service
+RUN CGO_ENABLED=0 GOOS=linux go build -o auth-service -a -installsuffix cgo .
+
+# Runtime stage
+FROM alpine:latest
+
+RUN apk --no-cache add ca-certificates tzdata
+
+WORKDIR /app
+
+# Copy binary from builder
+COPY --from=builder /build/cmd/auth-service/auth-service .
+
+# Copy config files
+COPY --from=builder /build/config ./config
+
+EXPOSE 8081
+
+CMD ["./auth-service"]
+

cmd/authz-service/Dockerfile

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+# Build stage
+FROM golang:1.25-alpine AS builder
+
+WORKDIR /build
+
+# Install build dependencies
+RUN apk add --no-cache git make
+
+# Copy go mod files
+COPY go.mod go.sum ./
+RUN go mod download
+
+# Copy source code
+COPY . .
+
+# Build the service
+WORKDIR /build/cmd/authz-service
+RUN CGO_ENABLED=0 GOOS=linux go build -o authz-service -a -installsuffix cgo .
+
+# Runtime stage
+FROM alpine:latest
+
+RUN apk --no-cache add ca-certificates tzdata
+
+WORKDIR /app
+
+# Copy binary from builder
+COPY --from=builder /build/cmd/authz-service/authz-service .
+
+# Copy config files
+COPY --from=builder /build/config ./config
+
+EXPOSE 8083
+
+CMD ["./authz-service"]
+

cmd/identity-service/Dockerfile

@@ -0,0 +1,36 @@
+# Build stage
+FROM golang:1.25-alpine AS builder
+
+WORKDIR /build
+
+# Install build dependencies
+RUN apk add --no-cache git make
+
+# Copy go mod files
+COPY go.mod go.sum ./
+RUN go mod download
+
+# Copy source code
+COPY . .
+
+# Build the service
+WORKDIR /build/cmd/identity-service
+RUN CGO_ENABLED=0 GOOS=linux go build -o identity-service -a -installsuffix cgo .
+
+# Runtime stage
+FROM alpine:latest
+
+RUN apk --no-cache add ca-certificates tzdata
+
+WORKDIR /app
+
+# Copy binary from builder
+COPY --from=builder /build/cmd/identity-service/identity-service .
+
+# Copy config files
+COPY --from=builder /build/config ./config
+
+EXPOSE 8082
+
+CMD ["./identity-service"]
+