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Dockerfile

@@ -6,6 +6,7 @@ RUN apk add --no-cache socat netcat-openbsd \
 
 # Create socket directory and copy/set permissions in single layers
 COPY entrypoint.sh /entrypoint.sh
+COPY VERSION /VERSION
 RUN mkdir -p /socket \
     && chmod +x /entrypoint.sh
 

README.MD

@@ -4,11 +4,9 @@ A lightweight Docker container that creates a UNIX socket proxy to TCP connectio
 
 ## 🚀 Features
 
-- **Lightweight**: Based on Alpine Linux (~10-15MB image)
 - **Configurable**: Environment variable driven configuration
 - **Socket Management**: Automatic UNIX socket creation and cleanup
 - **Production Ready**: Includes proper error handling and logging
-- **Multi-variant**: Standard and minimal Docker images available
 
 ## 📋 Use Cases example
 

VERSION

@@ -1 +1 @@
-0.1
+0.5.0

docker-compose.yaml

@@ -1,11 +1,10 @@
-version: '3.8'
+---
-
 services:
   socat-proxy:
     build: .
     environment:
-      - TARGET_HOST=${TARGET_HOST:}
+      - TARGET_HOST=${TARGET_HOST}
-      - TARGET_PORT=${TARGET_PORT:}
+      - TARGET_PORT=${TARGET_PORT}
       - UNIX_SOCKET_NAME=${UNIX_SOCKET_NAME}
       - UNIX_SOCKET_PATH=${UNIX_SOCKET_PATH}
       - HOST_SOCKET_PATH=${HOST_SOCKET_PATH}
@@ -14,10 +13,3 @@ services:
     networks:
       - proxy-network
     restart: unless-stopped
-
-volumes:
-  socket_volume:
-
-networks:
-  proxy-network:
-    external: false

entrypoint.sh

@@ -15,46 +15,58 @@ HOST_SOCKET_PATH=${HOST_SOCKET_PATH%/}
 FULL_HOST_SOCKET_PATH="$HOST_SOCKET_PATH/$UNIX_SOCKET_NAME"
 FULL_UNIX_SOCKET_PATH="$UNIX_SOCKET_PATH/$UNIX_SOCKET_NAME"
 
+VERSION=$(cat VERSION)
+
+echo -e "${CYAN}╭────────────────────────────────────────────╮${NC}"
+echo -e "${CYAN}│${NC}         Socat-proxy - Version ${VERSION}${NC}         ${CYAN}│${NC}"
+echo -e "${CYAN}├────────────────────────────────────────────┤${NC}"
+echo -e "${CYAN}│${NC} Source: https://git.djeex.fr/Djeex/socat-proxy  ${CYAN}│${NC}"
+echo -e "${CYAN}│${NC} Mirror: https://github.com/Djeex/socat-proxy    ${CYAN}│${NC}"
+echo -e "${CYAN}╰────────────────────────────────────────────╯${NC}"
+copy_default_config
+start_server
+
+
 # Validate required environment variables
 if [ -z "$TARGET_HOST" ]; then
-    echo "ERROR: TARGET_HOST environment variable is required"
+    echo "[✗] TARGET_HOST environment variable is required"
     exit 1
 fi
 
 if [ -z "$TARGET_PORT" ]; then
-    echo "ERROR: TARGET_PORT environment variable is required"
+    echo "[✗] TARGET_PORT environment variable is required"
     exit 1
 fi
 
 if [ -z "$UNIX_SOCKET_NAME" ]; then
-    echo "ERROR: UNIX_SOCKET_NAME environment variable is required"
+    echo "[✗] UNIX_SOCKET_NAME environment variable is required"
     exit 1
 fi
 
 if [ -z "$UNIX_SOCKET_PATH" ]; then
-    echo "ERROR: UNIX_SOCKET_PATH environment variable is required"
+    echo "[✗] UNIX_SOCKET_PATH environment variable is required"
     exit 1
 fi
 
 if [ -z "$HOST_SOCKET_PATH" ]; then
-    echo "ERROR: HOST_SOCKET_PATH environment variable is required"
+    echo "[✗] HOST_SOCKET_PATH environment variable is required"
     exit 1
 fi
 
-echo "Starting socat proxy..."
+echo "[~] Starting socat proxy..."
-echo "TCP target: $TARGET_HOST:$TARGET_PORT"
+echo "[i] TCP target: $TARGET_HOST:$TARGET_PORT"
-echo "HOST path: $HOST_SOCKET_PATH"
+echo "[i] HOST path: $HOST_SOCKET_PATH"
 # Calculate full socket path
-echo "Full host socket path: $FULL_HOST_SOCKET_PATH"
+echo "[i] Full host socket path: $FULL_HOST_SOCKET_PATH"
-echo "Full socket path: $FULL_UNIX_SOCKET_PATH"
+echo "[i] Full socket path: $FULL_UNIX_SOCKET_PATH"
 
 # Check if socket file/folder exists and handle it
 if [ -e "$FULL_UNIX_SOCKET_PATH" ]; then
-    echo "Socket file/folder $FULL_UNIX_SOCKET_PATH exists, removing it..."
+    echo "[~] Socket file/folder $FULL_UNIX_SOCKET_PATH exists, removing it..."
     if rm -rf "$FULL_UNIX_SOCKET_PATH"; then
-        echo "SUCCESS: Removed existing socket $FULL_UNIX_SOCKET_PATH"
+        echo "[✓] Removed existing socket $FULL_UNIX_SOCKET_PATH"
     else
-        echo "ERROR: Failed to remove existing socket $FULL_UNIX_SOCKET_PATH"
+        echo "[✗] Failed to remove existing socket $FULL_UNIX_SOCKET_PATH"
         exit 1
     fi
 fi
@@ -62,37 +74,37 @@ fi
 echo "Creating socket directory structure..."
 # Create directory if needed
 if mkdir -p "$UNIX_SOCKET_PATH"; then
-    echo "SUCCESS: Created directory $UNIX_SOCKET_PATH"
+    echo "[✓] Created directory $UNIX_SOCKET_PATH"
 else
-    echo "ERROR: Failed to create directory $UNIX_SOCKET_PATH"
+    echo "[✗] Failed to create directory $UNIX_SOCKET_PATH"
     exit 1
 fi
 
 echo "Creating socket with netcat..."
 # Create socket with nc -lU in background and then kill it to create the socket file
 if timeout 1 nc -lU "$FULL_UNIX_SOCKET_PATH" 2>/dev/null || true; then
-    echo "SUCCESS: Socket created at $FULL_UNIX_SOCKET_PATH"
+    echo "[✓] Socket created at $FULL_UNIX_SOCKET_PATH"
 else
-    echo "WARNING: Socket creation with netcat had issues, but continuing..."
+    echo "[!] Socket creation with netcat had issues, but continuing..."
 fi
 
 echo "Testing connection to target..."
 # Test if we can reach the target before starting socat
 if ! nc -z "$TARGET_HOST" "$TARGET_PORT" 2>/dev/null; then
-    echo "WARNING: Cannot connect to $TARGET_HOST:$TARGET_PORT - socat will retry automatically"
+    echo "[!] Cannot connect to $TARGET_HOST:$TARGET_PORT - socat will retry automatically"
 else
-    echo "SUCCESS: Connection to $TARGET_HOST:$TARGET_PORT is working"
+    echo "[✓] Connection to $TARGET_HOST:$TARGET_PORT is working"
 fi
 
 # Signal handler for graceful shutdown
 cleanup() {
-    echo "Received SIGTERM, shutting down gracefully..."
+    echo "[!] Received SIGTERM, shutting down gracefully..."
     if [ ! -z "$SOCAT_PID" ]; then
-        echo "Stopping socat process (PID: $SOCAT_PID)..."
+        echo "[~] Stopping socat process (PID: $SOCAT_PID)..."
         kill "$SOCAT_PID" 2>/dev/null || true
         wait "$SOCAT_PID" 2>/dev/null || true
     fi
-    echo "Cleanup completed, exiting..."
+    echo "[ ] Cleanup completed, exiting..."
     exit 0
 }
 
@@ -103,10 +115,10 @@ echo "Starting socat proxy..."
 # Start socat with verbose logging and redirect to stdout/stderr
 if socat -d -d UNIX-LISTEN:$FULL_UNIX_SOCKET_PATH,fork,unlink-early TCP:$TARGET_HOST:$TARGET_PORT & then
     SOCAT_PID=$!
-    echo "SUCCESS: Socat started with PID: $SOCAT_PID"
+    echo "[✓] Socat started with PID: $SOCAT_PID"
-    echo "Container is ready and running..."
+    echo "[~] Container is ready and running..."
 else
-    echo "ERROR: Failed to start socat proxy"
+    echo "[✗] Failed to start socat proxy"
     exit 1
 fi
 
@@ -115,6 +127,6 @@ while kill -0 "$SOCAT_PID" 2>/dev/null; do
     sleep 1
 done
 
-echo "Socat process has stopped"
+echo "[✓] Socat process has stopped"
 exit 1