feature: support PUID/PGID to change user

Dockerfile

@@ -12,9 +12,9 @@ RUN apt-get update && apt-get install -y \
 # if architecture is arm64, use the arm64 version of bun
 RUN ARCH=$(uname -m) && \
   if [ "$ARCH" = "aarch64" ]; then \
-    curl -fsSL -o bun-linux-aarch64.zip https://github.com/oven-sh/bun/releases/download/bun-v1.4.2/bun-linux-aarch64.zip; \
+  curl -fsSL -o bun-linux-aarch64.zip https://github.com/oven-sh/bun/releases/download/bun-v1.4.2/bun-linux-aarch64.zip; \
   else \
-    curl -fsSL -o bun-linux-x64-baseline.zip https://github.com/oven-sh/bun/releases/download/bun-v1.4.2/bun-linux-x64-baseline.zip; \
+  curl -fsSL -o bun-linux-x64-baseline.zip https://github.com/oven-sh/bun/releases/download/bun-v1.4.2/bun-linux-x64-baseline.zip; \
   fi
 
 RUN unzip -j bun-linux-*.zip -d /usr/local/bin && \
@@ -45,6 +45,9 @@ RUN bun run build
 FROM base AS release
 
 # install additional dependencies 
+ENV PIPX_HOME=/opt/pipx
+ENV PIPX_BIN_DIR=/usr/local/bin
+
 RUN apt-get update && apt-get install -y \
   assimp-utils \
   calibre \
@@ -53,6 +56,7 @@ RUN apt-get update && apt-get install -y \
   dvisvgm \
   ffmpeg \
   ghostscript \
+  gosu \
   graphicsmagick \
   imagemagick-7.q16 \
   inkscape \
@@ -84,15 +88,15 @@ RUN apt-get update && apt-get install -y \
   && pipx install "markitdown[all]" \
   && rm -rf /var/lib/apt/lists/*
 
-# Add pipx bin directory to PATH
-ENV PATH="/root/.local/bin:${PATH}"
+RUN groupadd -g 1000 convertx && \
+  useradd -u 1000 -g convertx -d /home/convertx -m -s /bin/bash convertx
 
 # Install VTracer binary
 RUN ARCH=$(uname -m) && \
   if [ "$ARCH" = "aarch64" ]; then \
-    VTRACER_ASSET="vtracer-aarch64-unknown-linux-musl.tar.gz"; \
+  VTRACER_ASSET="vtracer-aarch64-unknown-linux-musl.tar.gz"; \
   else \
-    VTRACER_ASSET="vtracer-x86_64-unknown-linux-musl.tar.gz"; \
+  VTRACER_ASSET="vtracer-x86_64-unknown-linux-musl.tar.gz"; \
   fi && \
   curl -L -o /tmp/vtracer.tar.gz "https://github.com/visioncortex/vtracer/releases/download/0.6.4/${VTRACER_ASSET}" && \
   tar -xzf /tmp/vtracer.tar.gz -C /tmp/ && \
@@ -107,8 +111,12 @@ COPY --from=prerelease /app/dist /app/dist
 # COPY . .
 RUN mkdir data
 
+COPY entrypoint.sh /entrypoint.sh
+RUN chmod +x /entrypoint.sh
+
 EXPOSE 3000/tcp
 # used for calibre
 ENV QTWEBENGINE_CHROMIUM_FLAGS="--no-sandbox"
 ENV NODE_ENV=production
-ENTRYPOINT [ "bun", "run", "dist/src/index.js" ]
+ENTRYPOINT [ "/entrypoint.sh" ]
+CMD [ "bun", "run", "dist/src/index.js" ]

README.md

@@ -68,6 +68,7 @@ services:
     ports:
       - "3000:3000"
     environment:
+      - PUID=1000 # user id for file permissions (should match your host user id)
       - JWT_SECRET=aLongAndSecretStringUsedToSignTheJSONWebToken1234 # will use randomUUID() if unset
       # - HTTP_ALLOWED=true # uncomment this if accessing it over a non-https connection
     volumes:
@@ -77,12 +78,12 @@ services:
 or
 
 ```bash
-docker run -p 3000:3000 -v ./data:/app/data ghcr.io/c4illin/convertx
+docker run -p 3000:3000 -e PUID=1000 -e PGID=1000 -v ./data:/app/data ghcr.io/c4illin/convertx
 ```
 
-Then visit `http://localhost:3000` in your browser and create your account. Don't leave it unconfigured and open, as anyone can register the first account.
+Ensure `PUID` and `PGID` match your host user (`id -u` and `id -g`) to avoid permission issues on the mapped `./data` volume. If you get unable to open database file, verify the directory permissions or run `chown -R $USER:$USER path` on the path you choose.
 
-If you get unable to open database file run `chown -R $USER:$USER path` on the path you choose.
+Then visit `http://localhost:3000` in your browser and create your account. Don't leave it unconfigured and open, as anyone can register the first account.
 
 ### Environment variables
 
@@ -91,6 +92,9 @@ All are optional, JWT_SECRET is recommended to be set.
 | Name                         | Default                                            | Description                                                                                                                                                   |
 | ---------------------------- | -------------------------------------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------- |
 | JWT_SECRET                   | when unset it will use the value from randomUUID() | A long and secret string used to sign the JSON Web Token                                                                                                      |
+| PUID                         | 0 (root)                                           | User ID to run the application process as (it first uses root to chown the files)                                                                             |
+| PGID                         | PUID if unset, root if both unset                  | Group ID to run the application process as                                                                                                                    |
+| UMASK                        | 002 (when PUID is set)                             | File creation mask for processes and created files                                                                                                            |
 | ACCOUNT_REGISTRATION         | false                                              | Allow users to register accounts                                                                                                                              |
 | HTTP_ALLOWED                 | false                                              | Allow HTTP connections, only set this to true locally                                                                                                         |
 | ALLOW_UNAUTHENTICATED        | false                                              | Allow unauthenticated users to use the service, only set this to true locally                                                                                 |

compose.yaml

@@ -8,6 +8,9 @@ services:
     volumes:
       - ./data:/app/data
     environment: # Defaults are listed below. All are optional.
+      - PUID=1000 # user ID for file permissions, defaults to 0
+      - PGID=1000 # group ID for file permissions, defaults to 0
+      - UMASK=002 # file creation mask, defaults to 002 when PUID is set
       - ACCOUNT_REGISTRATION=true # true or false, doesn't matter for the first account (e.g. keep this to false if you only want one account)
       - JWT_SECRET=aLongAndSecretStringUsedToSignTheJSONWebToken1234 # will use randomUUID() by default
       - HTTP_ALLOWED=false # setting this to true is unsafe, only set this to true locally

entrypoint.sh

@@ -0,0 +1,52 @@
+#!/usr/bin/env bash
+set -e
+
+if ! [[ "$PUID" =~ ^[0-9]+$ ]] || ! [[ "$PGID" =~ ^[0-9]+$ ]]; then
+  echo "[entrypoint] ERROR: PUID and PGID must be numeric integers." >&2
+  exit 1
+fi
+
+# If PUID is not set or is 0, run as root (backwards-compatible default)
+if [ -z "$PUID" ] || [ "$PUID" -eq 0 ]; then
+  if [ -n "$UMASK" ]; then
+    umask "$UMASK"
+  fi
+  if [ $# -eq 0 ]; then
+    set -- bun run dist/src/index.js
+  fi
+  exec "$@"
+fi
+
+PGID=${PGID:-$PUID}
+UMASK=${UMASK:-002}
+
+umask "$UMASK"
+
+if [ "$PGID" -ne "$(id -g convertx)" ]; then
+  groupmod -o -g "$PGID" convertx
+fi
+
+if [ "$PUID" -ne "$(id -u convertx)" ]; then
+  usermod -o -u "$PUID" convertx
+fi
+
+# Ensure home directory exists and is owned by convertx
+mkdir -p /home/convertx
+if [ "$(stat -c '%u:%g' /home/convertx)" != "$PUID:$PGID" ]; then
+  chown -R convertx:convertx /home/convertx
+fi
+
+# Ensure /app/data exists and fix permissions only if the mount point ownership differs
+mkdir -p /app/data
+if [ "$(stat -c '%u:%g' /app/data)" != "$PUID:$PGID" ]; then
+  find /app/data \( ! -user "$PUID" -o ! -group "$PGID" \) -exec chown -h "$PUID:$PGID" '{}' +
+fi
+
+export HOME=/home/convertx
+
+if [ $# -eq 0 ]; then
+  set -- bun run dist/src/index.js
+fi
+
+exec gosu convertx "$@"
+