fix: modified dockerfile

Author: qianxuege

Dockerfile

@@ -8,10 +8,11 @@ ENV NODE_ENV=production \
     UID=1001 \
     GID=1001
 
-WORKDIR /usr/src/app/
+# 1️⃣ Copy package.json before setting WORKDIR
+COPY package.json /tmp/package.json
 
-# Copy package manifests first for caching
-COPY package.json ./
+# 2️⃣ Now switch to your working directory
+WORKDIR /usr/src/app/
 
 # Copy custom plugin early so npm can resolve "file:./nodebb-plugin-mailgun-delivery"
 COPY nodebb-plugin-mailgun-delivery ./nodebb-plugin-mailgun-delivery
@@ -32,52 +33,11 @@ RUN groupadd --gid ${GID} ${USER} \
 USER ${USER}
 
 # Install all dependencies (root + plugin deps, including mailgun.js)
+COPY /tmp/package.json ./package.json
 RUN npm install --omit=dev
 
-# Copy source but don't overwrite package.json
-COPY . /usr/src/app/
-COPY package.json /usr/src/app/
+# Copy everything else
+COPY . .
 
 # Cleanup npm cache
 RUN rm -rf .npm
-
-
-# ---------- Final Runtime Stage ----------
-FROM node:lts-slim AS final
-
-ENV NODE_ENV=production \
-    DAEMON=false \
-    SILENT=false \
-    USER=nodebb \
-    UID=1001 \
-    GID=1001
-
-WORKDIR /usr/src/app/
-
-# Enable corepack + create user
-RUN corepack enable \
-    && groupadd --gid ${GID} ${USER} \
-    && useradd --uid ${UID} --gid ${GID} --home-dir /usr/src/app/ --shell /bin/bash ${USER} \
-    && mkdir -p /usr/src/app/logs/ /opt/config/ \
-    && chown -R ${USER}:${USER} /usr/src/app/ /opt/config/
-
-# Copy entrypoint and tini
-COPY --from=build --chown=${USER}:${USER} /usr/src/app/install/docker/setup.json /usr/src/app/install/docker/setup.json
-COPY --from=build --chown=${USER}:${USER} /usr/src/app/install/docker/entrypoint.sh /usr/local/bin/entrypoint.sh
-COPY --from=build --chown=${USER}:${USER} /usr/bin/tini /usr/local/bin/tini
-
-# Copy everything built (app + node_modules + plugin)
-COPY --from=build --chown=${USER}:${USER} /usr/src/app/ /usr/src/app/
-
-# Permissions
-RUN chmod +x /usr/local/bin/entrypoint.sh \
-    && chmod +x /usr/local/bin/tini
-
-USER ${USER}
-
-EXPOSE 4567
-
-# Protect critical paths
-VOLUME ["/usr/src/app/node_modules", "/usr/src/app/build", "/usr/src/app/public/uploads", "/opt/config/"]
-
-ENTRYPOINT ["tini", "--", "entrypoint.sh"]