feat: enhance auto-release workflow to steam workshop

.github/workflows/auto-release.yml

@@ -144,9 +144,12 @@ jobs:
               run: |
                   mkdir -p gmod-integration-release/addons/gmod-integration
                   cp -r lua/ gmod-integration-release/addons/gmod-integration/
-                  [ -f README.md ] && cp README.md gmod-integration-release/addons/gmod-integration/
                   [ -f LICENSE ] && cp LICENSE gmod-integration-release/addons/gmod-integration/
 
+                  # Copy README.md to both addon folder and root of zip
+                  [ -f README.md ] && cp README.md gmod-integration-release/addons/gmod-integration/
+                  [ -f README.md ] && cp README.md gmod-integration-release/
+
                   cat > gmod-integration-release/addons/gmod-integration/addon.json << EOF
                   {
                     "title": "Gmod Integration",
@@ -224,3 +227,39 @@ jobs:
               env:
                   GMODSTORE_API_TOKEN: ${{ secrets.GMODSTORE_API_TOKEN }}
                   GMODSTORE_PRODUCT_ID: ${{ secrets.GMODSTORE_PRODUCT_ID }}
+
+    publish_workshop:
+    name: Publish to Steam Workshop
+    runs-on: ubuntu-latest
+    needs: [build, version]
+    steps:
+        - name: Checkout repository
+          uses: actions/checkout@v4
+
+        - name: Build gmod-uploader Docker image
+          run: docker build -t gmod-uploader .
+
+        - name: Publish to Steam Workshop
+          env:
+              STEAM_USER: ${{ secrets.STEAM_USER }}
+              STEAM_PASS: ${{ secrets.STEAM_PASS }}
+              PUBLISHED_FILE_ID: ${{ secrets.GMOD_INTEGRATION_PUBLISHED_FILE_ID }}
+              NEW_VERSION: ${{ needs.version.outputs.new_version }}
+              NEW_TAG: ${{ needs.version.outputs.new_tag }}
+              CONTENT_PATH: /data
+              TITLE: 'Gmod Integration v${{ needs.version.outputs.new_version }}'
+              DESCRIPTION: |
+                  Update **v${{ needs.version.outputs.new_version }}**  
+                  See full details and changelog on GitHub → https://github.com/${{ github.repository }}/releases/tag/${{ needs.version.outputs.new_tag }}
+              VISIBILITY: '0' # 0=public,1=friends,2=private
+          run: |
+              docker run --rm \
+                -e STEAM_USER \
+                -e STEAM_PASS \
+                -e CONTENT_PATH \
+                -e TITLE \
+                -e DESCRIPTION \
+                -e VISIBILITY \
+                -e PUBLISHED_FILE_ID \
+                -v ${{ github.workspace }}:/data \
+                gmod-uploader

Dockerfile

@@ -0,0 +1,33 @@
+# Dockerfile
+FROM ubuntu:22.04
+ENV DEBIAN_FRONTEND=noninteractive
+
+# 1) Install 32-bit libs & utilities
+RUN dpkg --add-architecture i386 \
+ && apt-get update \
+ && apt-get install -y --no-install-recommends \
+      ca-certificates \
+      wget \
+      unzip \
+      lib32gcc-s1 \
+      lib32stdc++6 \
+      dos2unix \
+ && rm -rf /var/lib/apt/lists/*
+
+# 2) Manually install SteamCMD into /steamcmd
+RUN mkdir -p /steamcmd \
+ && cd /steamcmd \
+ && wget -qO- https://steamcdn-a.akamaihd.net/client/installer/steamcmd_linux.tar.gz \
+      | tar zxvf - \
+ && chmod +x steamcmd.sh
+
+# 3) Set working dir and copy your entrypoint
+WORKDIR /app
+COPY entrypoint.sh .
+
+# 4) Convert line endings & make executable
+RUN dos2unix entrypoint.sh \
+ && chmod +x entrypoint.sh
+
+# 5) Invoke via bash so we don’t get exec-format errors
+ENTRYPOINT ["bash", "/app/entrypoint.sh"]

entrypoint.sh

@@ -0,0 +1,33 @@
+#!/usr/bin/env bash
+set -e
+
+: "${STEAM_USER:?Please set STEAM_USER}"
+: "${STEAM_PASS:?Please set STEAM_PASS}"
+: "${CONTENT_PATH:?Please set CONTENT_PATH (e.g. /data/adn-test)}"
+: "${TITLE:?Please set TITLE}"
+: "${DESCRIPTION:?Please set DESCRIPTION}"
+
+# Optional Steam Guard:
+STEAM_GUARD_ARG=""
+[ -n "$STEAM_GUARD" ] && STEAM_GUARD_ARG="$STEAM_GUARD"
+
+# Generate the VDF pointing at your folder
+cat > /app/workshop_item.vdf <<EOF
+"workshopitem"
+{
+    "appid"           "4000"
+    "publishedfileid" "${PUBLISHED_FILE_ID:-0}"
+    "contentfolder"   "${CONTENT_PATH}"
+    "previewfile"     "${PREVIEW_FILE:-}"
+    "visibility"      "${VISIBILITY:-0}"
+    "title"           "${TITLE}"
+    "description"     "${DESCRIPTION}"
+}
+EOF
+
+echo "[`date '+%F %T'`] Publishing to Workshop…"
+/steamcmd/steamcmd.sh +login "${STEAM_USER}" "${STEAM_PASS}" "${STEAM_GUARD_ARG}" \
+    +workshop_build_item /app/workshop_item.vdf \
+    +quit
+
+echo "[`date '+%F %T'`] Done."