Merge pull request the-paperless-project#312 from pitkley/docker-fix-…

…groupmod

Fix modifying the GID under alpine

Dockerfile

@@ -17,7 +17,7 @@ ENV PAPERLESS_EXPORT_DIR=/export \
 
 # Install dependencies
 RUN apk --no-cache --update add \
-        python3 gnupg libmagic bash \
+        python3 gnupg libmagic bash shadow \
         sudo poppler tesseract-ocr imagemagick ghostscript unpaper && \
     apk --no-cache add --virtual .build-dependencies \
         python3-dev poppler-dev gcc g++ musl-dev zlib-dev jpeg-dev && \

scripts/docker-entrypoint.sh

@@ -4,13 +4,13 @@ set -e
 # Source: https://github.com/sameersbn/docker-gitlab/
 map_uidgid() {
     USERMAP_ORIG_UID=$(id -u paperless)
-    USERMAP_ORIG_UID=$(id -g paperless)
-    USERMAP_GID=${USERMAP_GID:-${USERMAP_UID:-$USERMAP_ORIG_GID}}
-    USERMAP_UID=${USERMAP_UID:-$USERMAP_ORIG_UID}
-    if [[ ${USERMAP_UID} != "${USERMAP_ORIG_UID}" || ${USERMAP_GID} != "${USERMAP_ORIG_GID}" ]]; then
-        echo "Mapping UID and GID for paperless:paperless to $USERMAP_UID:$USERMAP_GID"
-        addgroup -g "${USERMAP_GID}" paperless
-        sed -i -e "s|:${USERMAP_ORIG_UID}:${USERMAP_GID}:|:${USERMAP_UID}:${USERMAP_GID}:|" /etc/passwd
+    USERMAP_ORIG_GID=$(id -g paperless)
+    USERMAP_NEW_UID=${USERMAP_UID:-$USERMAP_ORIG_UID}
+    USERMAP_NEW_GID=${USERMAP_GID:-${USERMAP_ORIG_GID:-$USERMAP_NEW_UID}}
+    if [[ ${USERMAP_NEW_UID} != "${USERMAP_ORIG_UID}" || ${USERMAP_NEW_GID} != "${USERMAP_ORIG_GID}" ]]; then
+        echo "Mapping UID and GID for paperless:paperless to $USERMAP_NEW_UID:$USERMAP_NEW_GID"
+        usermod -u "${USERMAP_NEW_UID}" paperless
+        groupmod -g "${USERMAP_NEW_GID}" paperless
     fi
 }
 
@@ -79,7 +79,7 @@ install_languages() {
         if [ "$lang" ==  "eng" ]; then
             continue
         fi
-        
+
         if apk info -e "$pkg" > /dev/null 2>&1; then
             continue
         fi