chore(ci): docker image

.github/workflows/docker.yml

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+name: build-and-push-docker-images
+
+on:
+  workflow_dispatch:
+  push:
+    branches: ["master"]
+
+jobs:
+  build-and-push:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744 # v3
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@2b82ce82d56a2a04d2637cd93a637ae1b359c0a7 # v2
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@885d1462b80bc1c1c7f0b00334ad271f09369c55 # v2
+      - name: Login to the GitHub container registry
+        uses: docker/login-action@465a07811f14bebb1938fbed4728c6a1ff8901fc # v2
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+      - name: Build and push
+        uses: docker/build-push-action@0a97817b6ade9f46837855d676c4cca3a2471fc9 # v4
+        with:
+          push: true
+          tags: ghcr.io/tryriot/smokescreen:latest

Dockerfile

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+# Build stage
+FROM golang:1.25-trixie AS builder
+
+WORKDIR /app
+
+# Copy Go module files
+COPY go.mod go.sum ./
+
+RUN go mod download
+
+COPY . .
+
+RUN go build -o smokescreen main.go
+
+# Runtime stage
+FROM debian:trixie-slim
+
+WORKDIR /app
+
+# Copy binary from builder stage
+COPY --from=builder /app/smokescreen ./
+
+ARG DD_API_KEY=replace_with_your_api_key_if_needed
+ENV DD_API_KEY=${DD_API_KEY}
+ENV DD_AGENT_MAJOR_VERSION=7
+ENV DD_INSTALL_ONLY=true
+
+RUN apt-get update && apt-get install -y curl bash && \
+    bash -c "$(curl -L https://s3.amazonaws.com/dd-agent/scripts/install_script_agent7.sh)" && \
+    apt-get clean && rm -rf /var/lib/apt/lists/*
+
+ENV DD_SITE=datadoghq.eu
+ENV DD_LOGS_ENABLED=true
+ENV DD_SERVICE=smokescreen
+ENV DD_VERSION=1.0.0
+ENV DD_ENV=production
+ENV DD_LOGS_CONFIG_CONTAINER_COLLECT_ALL=true
+
+EXPOSE 4750
+
+ENV DD_HOSTNAME=smokescreen-container
+
+RUN echo '#!/bin/bash' > /start.sh && \
+    echo 'export DD_HOSTNAME=${DD_HOSTNAME:-$(hostname)}' >> /start.sh && \
+    echo '/opt/datadog-agent/bin/agent/agent run > /dev/null 2>&1 &' >> /start.sh && \
+    echo 'sleep 2' >> /start.sh && \
+    echo 'exec ./smokescreen --statsd-address localhost:8125 ' >> /start.sh && \
+    chmod +x /start.sh
+
+CMD ["/start.sh"]
+
+