Merge branch 'improve-dockerfile' into 'master'

Docker: Set app user gid/uid to 1000

See merge request timvisee/send!22

Dockerfile

@@ -4,41 +4,57 @@
 # License https://gitlab.com/timvisee/send/blob/master/LICENSE
 ##
 
-
 # Build project
 FROM node:16.13-alpine3.13 AS builder
+
+RUN set -x \
+  # Change node uid/gid
+  && apk --no-cache add shadow \
+  && groupmod -g 1001 node \
+  && usermod -u 1001 -g 1001 node
+
 RUN set -x \
     # Add user
-    && addgroup --gid 10001 app \
+    && addgroup --gid 1000 app \
     && adduser --disabled-password \
         --gecos '' \
         --ingroup app \
         --home /app \
-        --uid 10001 \
+        --uid 1000 \
         app
+
 COPY --chown=app:app . /app
+
 USER app
 WORKDIR /app
+
 RUN set -x \
     # Build
     && PUPPETEER_SKIP_CHROMIUM_DOWNLOAD=true npm ci \
     && npm run build
 
-
 # Main image
 FROM node:16.13-alpine3.13
+
+RUN set -x \
+  # Change node uid/gid
+  && apk --no-cache add shadow \
+  && groupmod -g 1001 node \
+  && usermod -u 1001 -g 1001 node
+
 RUN set -x \
     # Add user
-    && addgroup --gid 10001 app \
+    && addgroup --gid 1000 app \
     && adduser --disabled-password \
         --gecos '' \
         --ingroup app \
         --home /app \
-        --uid 10001 \
+        --uid 1000 \
         app
 
 USER app
 WORKDIR /app
+
 COPY --chown=app:app package*.json ./
 COPY --chown=app:app app app
 COPY --chown=app:app common common