Containerfile, composefile and makefile target for building images

Containerfile

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+FROM docker.io/golang:1.24 AS builder
+WORKDIR /app
+COPY go.mod go.sum ./
+RUN go mod download
+COPY src src
+RUN GOOS=linux go build -o beretta src/*.go
+# FROM docker.io/alpine:3
+FROM docker.io/debian:bookworm-slim
+
+RUN apt-get update && apt-get install -y \
+    ca-certificates \
+    sqlite3 \
+ && rm -rf /var/lib/apt/lists/*
+
+COPY --from=builder /app/beretta /beretta
+ENTRYPOINT ["/beretta"]