feat: docker run option

.markdownlint.json

@@ -0,0 +1,5 @@
+{
+  "MD033": {
+    "allowed_elements": ["details", "summary", "b"]
+  }
+}

Dockerfile

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+FROM rust:alpine3.20 AS builder
+WORKDIR /app
+
+# Install system dependencies
+RUN apk add --no-cache musl-dev=1.2.5-r0
+
+# Build application
+COPY . .
+RUN cargo build --release
+
+# Create runtime image
+FROM debian:bookworm-slim AS runtime
+WORKDIR /usr/src/app
+
+# Create non-root user
+RUN useradd -m -s /bin/bash rainfrog
+
+# Copy the binary from the builder image
+COPY --from=builder /app/target/release/rainfrog /usr/local/bin/rainfrog
+
+# Change ownership of the files to the non-root user
+RUN chown -R rainfrog:rainfrog /usr/src/app
+USER rainfrog
+
+HEALTHCHECK --interval=30s --timeout=10s --start-period=5s --retries=3 \
+  CMD pidof rainfrog || exit 1
+
+# Command to construct the full connection URL using environment variables
+CMD ["bash", "-c", "rainfrog --url postgres://$username:$password@$hostname:$db_port/$dbname"]