Add entrypoint

Dockerfile

@@ -1,8 +1,16 @@
 FROM python:3.11-slim
 
 WORKDIR /duino-coin/
+RUN useradd -m -s /bin/bash duco && \
+    chown duco:duco -R /duino-coin/
+USER duco
 
-COPY duino-coin/requirements.txt duino-coin/PC_miner.py . 
-RUN pip install --no-cache-dir -r requirements.txt
+COPY --chown=duco:duco duino-coin/requirements.txt duino-coin/PC_Miner.py entrypoint.sh ./
 
-CMD ["python", "PC_miner.py"]
+ENV PATH="/home/duco/.local/bin:${PATH}"
+RUN python3 -m pip install --upgrade pip --user && \
+    pip install --no-cache-dir -r requirements.txt && \
+    chmod +x /duino-coin/entrypoint.sh
+
+ENTRYPOINT [ "/duino-coin/entrypoint.sh" ]
+CMD ["python", "PC_Miner.py"]

entrypoint.sh

@@ -0,0 +1,40 @@
+#!/bin/bash
+
+# Fail if required environment variables are not set
+if [ -z "$DUCO_USERNAME" ] || [ -z "$DUCO_MINING_KEY" ]; then
+  echo "ERROR: DUCO_USERNAME and DUCO_MINING_KEY must be set."
+  exit 1
+fi
+
+# Base64-encode the mining key
+ENCODED_KEY=$(echo -n "$DUCO_MINING_KEY" | base64)
+
+# Use environment variable DUCO_DIR or default to /duino-coin/Duino-Coin PC Miner 4.3
+DUCO_DIR="${DUCO_DIR:-/duino-coin/Duino-Coin PC Miner 4.3}"
+
+# Create the directory if it doesn't exist
+mkdir -p "$DUCO_DIR"
+
+# Generate the Settings.cfg using environment variables or defaults
+cat > "$DUCO_DIR/Settings.cfg" <<EOF
+[PC Miner]
+username="$DUCO_USERNAME"
+mining_key="$ENCODED_KEY"
+intensity=${DUCO_INTENSITY:-95}
+threads=${DUCO_THREADS:-1}
+start_diff=${DUCO_START_DIFF:-LOW}
+donate=${DUCO_DONATE:-5}
+identifier=${DUCO_IDENTIFIER:-$(hostname)}
+algorithm=${DUCO_ALGORITHM:-DUCO-S1}
+language=${DUCO_LANGUAGE:-english}
+soc_timeout=${DUCO_SOC_TIMEOUT:-10}
+report_sec=${DUCO_REPORT_SEC:-300}
+raspi_leds=${DUCO_RASPI_LEDS:-y}
+raspi_cpu_iot=${DUCO_RASPI_CPU_IOT:-y}
+discord_rp=${DUCO_DISCORD_RP:-y}
+EOF
+
+echo "Settings.cfg generated at $DUCO_DIR/Settings.cfg"
+
+# Execute any command passed to the container
+exec "$@"