fix: restored dockerfile and removed dockerignore

Author: pushkar1262

.dockerignore

@@ -1,44 +1,42 @@
-# Runtime image expecting a pre-built binary alongside the Docker build context.
-FROM ubuntu:20.04
+FROM docker.io/library/ubuntu:20.04
 
-# Metadata
-ARG VCS_REF=unknown
-ARG BUILD_DATE=unknown
+# metadata
+ARG VCS_REF
+ARG BUILD_DATE
 
 LABEL io.parity.image.authors="[email protected]" \
-      io.parity.image.vendor="Parity Technologies" \
-      io.parity.image.title="polkadot-staking-miner" \
-      io.parity.image.description="Polkadot staking miner for substrate based chains" \
-      io.parity.image.source="https://github.com/paritytech/polkadot-staking-miner/blob/${VCS_REF}/Dockerfile" \
-      io.parity.image.revision="${VCS_REF}" \
-      io.parity.image.created="${BUILD_DATE}" \
-      io.parity.image.documentation="https://github.com/paritytech/polkadot/"
-
-# Backtraces & useful defaults
-ENV RUST_BACKTRACE=1 \
-    SEED="" \
-    URI="wss://rpc.polkadot.io" \
-    RUST_LOG="info"
-
-# Install runtime dependencies (libssl1.1 still available on focal)
+    io.parity.image.vendor="Parity Technologies" \
+    io.parity.image.title="polkadot-staking-miner" \
+    io.parity.image.description="Polkadot staking miner for substrate based chains" \
+    io.parity.image.source="https://github.com/paritytech/polkadot-staking-miner/blob/${VCS_REF}/Dockerfile" \
+    io.parity.image.revision="${VCS_REF}" \
+    io.parity.image.created="${BUILD_DATE}" \
+    io.parity.image.documentation="https://github.com/paritytech/polkadot/"
+
+# show backtraces
+ENV RUST_BACKTRACE 1
+
+# install tools and dependencies
 RUN apt-get update && \
     DEBIAN_FRONTEND=noninteractive apt-get install -y \
-      libssl1.1 \
-      ca-certificates && \
+    libssl1.1 \
+    ca-certificates && \
+    # apt cleanup
     apt-get autoremove -y && \
     apt-get clean && \
-    find /var/lib/apt/lists/ -type f -not -name lock -delete && \
+    find /var/lib/apt/lists/ -type f -not -name lock -delete; \
     useradd -u 10000 -U -s /bin/sh miner
 
-# Copy the pre-built binary into the image
+# add binary to docker image
 COPY ./polkadot-staking-miner /usr/local/bin
 
-# Create writable workspace and output directories
-RUN mkdir -p /workspace/results /workspace/outputs && \
-    chmod 777 /workspace /workspace/results /workspace/outputs && \
-    /usr/local/bin/polkadot-staking-miner --version
+USER miner
 
-WORKDIR /workspace
+ENV SEED=""
+ENV URI="wss://rpc.polkadot.io"
+ENV RUST_LOG="info"
 
-ENTRYPOINT ["/usr/local/bin/polkadot-staking-miner"]
-CMD ["--help"]
+# check if the binary works in this container
+RUN /usr/local/bin/polkadot-staking-miner --version
+
+ENTRYPOINT [ "/usr/local/bin/polkadot-staking-miner" ]

Dockerfile

@@ -3,69 +3,3 @@
 [GitHub](https://github.com/paritytech/polkadot-staking-miner)
 
 Formerly known as `staking-miner-v2` historical images versions are available in the [hub.docker.com](https://hub.docker.com/r/paritytech/staking-miner-v2)
-
-## Using Pre-built Docker Image
-
-### Pull the image from Docker Hub
-
-```bash
-docker pull polkadot-staking-miner
-```
-
-Or if using a specific registry:
-
-```bash
-docker pull <registry>/polkadot-staking-miner:<tag>
-```
-
-### Run prediction with custom file
-
-```bash
-sudo docker run --rm \
-  -v "$(pwd):/workspace" \
-  polkadot-staking-miner \
-  --uri wss://westend-asset-hub-rpc.polkadot.io \
-  predict --custom-file custom.json --desired-validators 1
-```
-
-### Run basic prediction
-
-```bash
-docker run --rm \
-  -v "$(pwd):/workspace" \
-  polkadot-staking-miner \
-  --uri wss://westend-asset-hub-rpc.polkadot.io \
-  predict
-```
-
-## Building Locally
-
-If you need to build the image locally:
-
-```bash
-docker build -t polkadot-staking-miner .
-```
-
-
-
-### Pull the image from Docker Hub
-
-
-sudo docker pull paritytech/staking-miner-v2:latest
-
-### for custom validators
-
-sudo docker run --rm -v "$(pwd):/workspace" paritytech/staking-miner-v2:latest   --uri wss://westend-asset-hub-rpc.polkadot.io   predict --custom-file custom.json --desired-validators 1
-
-
-### for basic prediction
-
-sudo docker run --rm -v "$(pwd):/workspace" paritytech/staking-miner-v2:latest   --uri wss://westend-asset-hub-rpc.polkadot.io   predict
-
-### monitor command
-
-sudo docker run --rm -v "$(pwd):/workspace" paritytech/staking-miner-v2:latest   --uri wss://westend-asset-hub-rpc.polkadot.io  monitor --seed-or-path //Alice
-
-### info commanda
-
-sudo docker run --rm -v "$(pwd):/workspace" paritytech/staking-miner-v2:latest   --uri wss://westend-asset-hub-rpc.polkadot.io   info

Dockerfile.README.md

@@ -125,6 +125,13 @@ pub(crate) fn inject_self_votes(
 		combined.len()
 	);
 
+	combined.sort_by(|a, b| {
+		// Sort by Stake Descending (High stake first)
+		b.1.cmp(&a.1)
+			// Tie-breaker: AccountId Ascending (for deterministic stability)
+			.then_with(|| a.0.cmp(&b.0))
+	});
+
 	combined
 }