backbeat: add module sources

Dockerfile.production

@@ -0,0 +1,111 @@
+# Production Dockerfile for BACKBEAT services
+# Multi-stage build with optimized production images
+
+# Build stage
+FROM golang:1.22-alpine AS builder
+
+# Install build dependencies
+RUN apk add --no-cache git ca-certificates tzdata
+
+# Set working directory
+WORKDIR /app
+
+# Copy go mod files
+COPY go.mod go.sum ./
+
+# Download dependencies
+RUN go mod download
+
+# Copy source code
+COPY . .
+
+# Build all services with optimizations
+RUN CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build \
+    -a -installsuffix cgo \
+    -ldflags='-w -s -extldflags "-static"' \
+    -o pulse ./cmd/pulse
+
+RUN CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build \
+    -a -installsuffix cgo \
+    -ldflags='-w -s -extldflags "-static"' \
+    -o reverb ./cmd/reverb
+
+RUN CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build \
+    -a -installsuffix cgo \
+    -ldflags='-w -s -extldflags "-static"' \
+    -o agent-sim ./cmd/agent-sim
+
+# Pulse service image
+FROM alpine:3.18 AS pulse
+
+# Install runtime dependencies
+RUN apk --no-cache add ca-certificates tzdata wget && \
+    update-ca-certificates
+
+# Create non-root user
+RUN addgroup -g 1001 backbeat && \
+    adduser -D -s /bin/sh -u 1001 -G backbeat backbeat
+
+# Set working directory
+WORKDIR /app
+
+# Copy pulse and agent-sim binaries from builder
+COPY --from=builder /app/pulse .
+COPY --from=builder /app/agent-sim .
+RUN chmod +x ./pulse ./agent-sim
+
+# Create data directory
+RUN mkdir -p /data && chown -R backbeat:backbeat /data /app
+
+# Switch to non-root user
+USER backbeat
+
+# Expose ports (8080 for HTTP API, 9000 for Raft)
+EXPOSE 8080 9000
+
+# Health check endpoint
+HEALTHCHECK --interval=30s --timeout=5s --start-period=15s --retries=3 \
+    CMD wget --no-verbose --tries=1 --spider http://localhost:8080/healthz || exit 1
+
+# Default command with production settings
+ENTRYPOINT ["./pulse"]
+CMD ["-cluster", "chorus-production", \
+     "-admin-port", "8080", \
+     "-raft-bind", "0.0.0.0:9000", \
+     "-data-dir", "/data", \
+     "-log-level", "info"]
+
+# Reverb service image  
+FROM alpine:3.18 AS reverb
+
+# Install runtime dependencies
+RUN apk --no-cache add ca-certificates tzdata wget && \
+    update-ca-certificates
+
+# Create non-root user
+RUN addgroup -g 1001 backbeat && \
+    adduser -D -s /bin/sh -u 1001 -G backbeat backbeat
+
+# Set working directory
+WORKDIR /app
+
+# Copy reverb binary from builder
+COPY --from=builder /app/reverb .
+RUN chmod +x ./reverb
+
+# Switch to non-root user
+USER backbeat
+
+# Expose port (8080 for HTTP API)
+EXPOSE 8080
+
+# Health check endpoint
+HEALTHCHECK --interval=30s --timeout=5s --start-period=15s --retries=3 \
+    CMD wget --no-verbose --tries=1 --spider http://localhost:8080/healthz || exit 1
+
+# Default command with production settings
+ENTRYPOINT ["./reverb"]
+CMD ["-cluster", "chorus-production", \
+     "-nats", "nats://nats:4222", \
+     "-bar-length", "120", \
+     "-log-level", "info"]