Add dockerfile

Signed-off-by: gearnode <bryan@frimin.fr>

Dockerfile

@@ -0,0 +1,18 @@
+FROM golang:1.23 AS builder
+WORKDIR /workdir
+COPY go.mod go.sum ./
+RUN --mount=type=cache,target=/go/pkg/mod \
+    go mod download
+COPY . .
+RUN --mount=type=cache,target=/root/.cache/go-build \
+    make bin/probod
+
+FROM ubuntu:22.04
+WORKDIR /app
+RUN useradd -m probo && \
+    apt-get update && \
+    apt-get install -y ca-certificates && \
+    rm -rf /var/lib/apt/lists/*
+COPY --from=builder /workdir/bin /usr/local/bin/
+USER probo
+ENTRYPOINT ["probod"]