Merge pull request 'Run container as non-root via PUID/PGID / Move environment configuration to a .env file' (#14) from dev-v2 into main

Reviewed-on: #14

.env

@@ -0,0 +1,22 @@
+# User/group id the process runs as, matches ownership of the /adguard mount
+PUID=1000
+PGID=1000
+
+# Timezone of the container
+TZ=Europe/Paris
+
+# Country codes for CIDR lists, comma separated. Prefix with ! to exclude instead of include.
+# Full lists here: https://github.com/vulnebify/cidre/tree/main/output/cidr/ipv4
+BLOCK_COUNTRIES=cn,ru
+
+# Scheduling: daily or weekly
+BLOCKLIST_CRON_TYPE=daily
+# If weekly, choose the day: mon, tue, wed, thu, fri, sat, sun
+BLOCKLIST_CRON_DAY=mon
+# Time of day to run the update, 24h HH:MM format
+BLOCKLIST_CRON_TIME=06:00
+
+# Docker API URL used to restart the AdGuard container (via socket-proxy)
+DOCKER_API_URL=http://socket-proxy-adguard:2375
+# Name of the AdGuard Home container to restart
+ADGUARD_CONTAINER_NAME=adguardhome

.gitea/workflows/ci.yml

@@ -16,6 +16,7 @@ jobs:
         uses: actions/checkout@v7
         with:
           fetch-depth: 0
+          persist-credentials: false
 
       - name: Build Docker image
         run: |
@@ -81,18 +82,101 @@ jobs:
             exit 0
           fi
 
+          if echo "$CHANGED" | grep -qE '^VERSION$'; then
+            echo "VERSION was manually edited in this push, using it as-is."
+          else
+            echo "VERSION untouched but container files changed, auto-bumping the build number (Z)."
+            OLD_VERSION=$(tr -d '[:space:]' < VERSION)
+            IFS='.' read -r MAJOR MINOR PATCH <<< "$OLD_VERSION"
+            NEW_VERSION="${MAJOR}.${MINOR}.$((PATCH + 1))"
+            echo "$NEW_VERSION" > VERSION
+
+            git config user.name "adguard-cidre-ci"
+            git config user.email "[email protected]"
+            git add VERSION
+            git commit -m "Bump build version to $NEW_VERSION [skip ci]"
+
+            # Belt and suspenders: actions/checkout can leave its own ephemeral
+            # credential injected as an extraheader, which would silently override
+            # the URL-embedded token below. persist-credentials:false on checkout
+            # should already prevent this, but strip it here too just in case.
+            git config --unset-all http.https://git.djeex.fr/.extraheader || true
+
+            git push "https://Djeex:${{ secrets.CI_PUSH_TOKEN }}@git.djeex.fr/Djeex/adguard-cidre.git" HEAD:main
+          fi
+
+          VERSION=$(tr -d '[:space:]' < VERSION)
+          IFS='.' read -r MAJOR MINOR PATCH <<< "$VERSION"
+          MINOR_TAG="${MAJOR}.${MINOR}"
+
           IMAGE=git.djeex.fr/djeex/adguard-cidre
           echo "${{ secrets.REGISTRY_TOKEN }}" | docker login git.djeex.fr -u Djeex --password-stdin
 
           # Retag the already-built, already-scanned image — never rebuild for publish,
           # so what ships is byte-for-byte what Trivy just scanned.
           docker tag adguard-cidre:ci "$IMAGE:latest"
-          docker push "$IMAGE:latest"
-
-          if echo "$CHANGED" | grep -qE '^VERSION$'; then
-            VERSION=$(tr -d '[:space:]' < VERSION)
+          docker tag adguard-cidre:ci "$IMAGE:$MINOR_TAG"
           docker tag adguard-cidre:ci "$IMAGE:$VERSION"
+          docker push "$IMAGE:latest"
+          docker push "$IMAGE:$MINOR_TAG"
           docker push "$IMAGE:$VERSION"
-          else
-            echo "VERSION unchanged, skipping versioned tag to avoid overwriting an existing release."
+
+          TRIGGER_MSG=$(git log -1 --format=%s "${{ github.sha }}")
+          PR_NUM=$(echo "$TRIGGER_MSG" | grep -oE '#[0-9]+' | head -1 | tr -d '#' || true)
+
+          CATEGORY="🔧 Maintenance"
+          CHANGE_TITLE="$TRIGGER_MSG"
+
+          if [ -n "$PR_NUM" ]; then
+            PR_JSON=$(curl -s -H "Authorization: token ${{ secrets.CI_PUSH_TOKEN }}" \
+              "https://git.djeex.fr/api/v1/repos/Djeex/adguard-cidre/pulls/$PR_NUM")
+            PR_TITLE=$(echo "$PR_JSON" | jq -r '.title // empty' 2>/dev/null || true)
+            LABELS=$(echo "$PR_JSON" | jq -r '.labels[]?.name' 2>/dev/null || true)
+
+            if [ -n "$PR_TITLE" ]; then
+              CHANGE_TITLE="$PR_TITLE"
             fi
+
+            if echo "$LABELS" | grep -qx 'bug'; then
+              CATEGORY="⚠️ Hotfix"
+            elif echo "$LABELS" | grep -qx 'major'; then
+              CATEGORY="💥 Breaking change"
+            elif echo "$LABELS" | grep -qx 'minor'; then
+              CATEGORY="✨ Update"
+            fi
+          fi
+
+          CHANGED_LIST=$(echo "$CHANGED" | sed 's/^/- /')
+
+          REPO_URL="https://git.djeex.fr/Djeex/adguard-cidre"
+          SHORT_SHA=$(echo "${{ github.sha }}" | cut -c1-7)
+          SOURCE_LINE="[${SHORT_SHA}](${REPO_URL}/commit/${{ github.sha }})"
+          if [ -n "$PR_NUM" ]; then
+            SOURCE_LINE="[#${PR_NUM}](${REPO_URL}/pulls/${PR_NUM}) · ${SOURCE_LINE}"
+          fi
+
+          BODY=$(cat <<EOF
+          ## Changelog
+
+          ### ${CATEGORY}
+          ${CHANGE_TITLE}
+
+          **Source:** ${SOURCE_LINE}
+          **Image:** \`${IMAGE}:${VERSION}\`
+
+          **Changed files:**
+          ${CHANGED_LIST}
+          EOF
+          )
+
+          JSON_PAYLOAD=$(jq -n \
+            --arg tag "$VERSION" \
+            --arg name "$VERSION" \
+            --arg body "$BODY" \
+            '{tag_name: $tag, name: $name, target_commitish: "main", body: $body}')
+
+          curl -s -o /dev/null -w "Release API response: %{http_code}\n" -X POST \
+            -H "Authorization: token ${{ secrets.CI_PUSH_TOKEN }}" \
+            -H "Content-Type: application/json" \
+            -d "$JSON_PAYLOAD" \
+            "https://git.djeex.fr/api/v1/repos/Djeex/adguard-cidre/releases"

Dockerfile

@@ -1,8 +1,8 @@
-FROM python:3.14-alpine AS base
+FROM python:3.14.7-alpine AS base
 
 ENV TZ=Europe/Paris
 
-RUN apk add --no-cache tzdata curl \
+RUN apk add --no-cache tzdata curl su-exec \
     && cp /usr/share/zoneinfo/$TZ /etc/localtime \
     && echo $TZ > /etc/timezone
 
@@ -11,7 +11,8 @@ WORKDIR /app
 COPY requirements.txt .
 RUN pip install --no-cache-dir -r requirements.txt
 
-COPY blocklist_scheduler.py .
+COPY blocklist_scheduler.py entrypoint.sh VERSION ./
+RUN chmod +x entrypoint.sh
 
 FROM base AS test
 RUN pip install --no-cache-dir pytest==9.1.1
@@ -19,4 +20,4 @@ COPY tests/ tests/
 COPY pytest.ini .
 
 FROM base
-ENTRYPOINT ["python3", "blocklist_scheduler.py"]
+ENTRYPOINT ["./entrypoint.sh"]

README.md

@@ -31,6 +31,8 @@
 
 | Variable                 | Description                                                              | Example                     | Possible Values                             |
 |--------------------------|--------------------------------------------------------------------------|-----------------------------|---------------------------------------------|
+| `PUID`                    | User ID the process runs as (drops root at startup)                     | `1000`                      | Any valid numeric UID                       |
+| `PGID`                    | Group ID the process runs as                                            | `1000`                      | Any valid numeric GID                       |
 | `TZ`                      | Timezone of the container to correctly schedule updates                | `Europe/Paris`              | Any valid timezone (e.g., `UTC`, `America/New_York`, etc.) |
 | `BLOCK_COUNTRIES`         | List of country codes for CIDR lists, separated by commas. You can also define an exclude list (all countries except the specified ones) by prefixing each country code with !. Mixing inclusion and exclusion codes is not supported.                | including list : `cn,ru,ir`, excluding list : `!cn,!ru,!ir`                  | ISO 2-letter country codes                  |
 | `BLOCKLIST_CRON_TYPE`     | Scheduling type: `daily` or `weekly`                                    | `daily`                     | `daily`, `weekly`                           |
@@ -64,6 +66,8 @@
         container_name: adguard-cidre
         restart: unless-stopped
         environment:
+        - PUID=1000 # user id the process runs as, matches ownership of the /adguard mount
+        - PGID=1000 # group id the process runs as
         - TZ=Europe/Paris # change to your timezone
         - BLOCK_COUNTRIES=cn,ru # choose countries listed IP to block. Full lists here https://github.com/vulnebify/cidre/tree/main/output/cidr/ipv4
         - BLOCKLIST_CRON_TYPE=daily # daily or weekly
@@ -121,11 +125,12 @@
     git clone https://git.djeex.fr/Djeex/adguard-cidre
     cd adguard-cidre
     ```
-2. **Modify docker-compose.yml**
+2. **Edit the `.env` file**
 
-- Set `BLOCK_COUNTRIES` environment variable with the countries you want to block.
-- Adjust `BLOCKLIST_CRON` variables if you want a different update frequency.
-- Bind mount your adguard configuration folder (wich contains `AdGuardHome.yaml`) to `/adguard`
+- A `.env` file is included at the repo root with all environment variables (see [Environment Variables](#environment-variables)). Edit values there instead of `docker-compose.yml`.
+- Set `BLOCK_COUNTRIES` with the countries you want to block.
+- Adjust `BLOCKLIST_CRON_*` variables if you want a different update frequency.
+- Bind mount your adguard configuration folder (wich contains `AdGuardHome.yaml`) to `/adguard` in `docker-compose.yml`.
 - (optionnally) create and edit `manually_blocked_ips.conf` file in your adguard configuration folder to add other IPs you want to block. Only valid IP or CIDR entries will be processed, for exemple :
 
     ```bash

VERSION

@@ -1 +1 @@
-1.4.0
+1.5.0

blocklist_scheduler.py

@@ -11,7 +11,7 @@ from pathlib import Path
 
 logging.basicConfig(
     level=logging.INFO,
-    format='[blocklist] %(levelname)s: %(message)s',
+    format="%(asctime)s [%(levelname)s] %(message)s",
     stream=sys.stdout,
 )
 

docker-compose.yml

@@ -5,14 +5,16 @@ services:
     container_name: adguard-cidre
     restart: unless-stopped
     environment:
-      - TZ=Europe/Paris # change to your timezone
-      - BLOCK_COUNTRIES=cn,ru # choose countries listed IP to block. Full lists here https://github.com/vulnebify/cidre/tree/main/output/cidr/ipv4
-      - BLOCKLIST_CRON_TYPE=daily # daily or weekly
+      - PUID=${PUID} # user id the process runs as, matches ownership of the /adguard mount
+      - PGID=${PGID} # group id the process runs as
+      - TZ=${TZ} # change to your timezone
+      - BLOCK_COUNTRIES=${BLOCK_COUNTRIES} # choose countries listed IP to block. Full lists here https://github.com/vulnebify/cidre/tree/main/output/cidr/ipv4
+      - BLOCKLIST_CRON_TYPE=${BLOCKLIST_CRON_TYPE} # daily or weekly
       # if weekly, choose the day
-      # - BLOCKLIST_CRON_DAY=mon
-      - BLOCKLIST_CRON_TIME=06:00
-      - DOCKER_API_URL=http://socket-proxy-adguard:2375 # docker socket proxy
-      - ADGUARD_CONTAINER_NAME=adguardhome # adguard container name
+      - BLOCKLIST_CRON_DAY=${BLOCKLIST_CRON_DAY}
+      - BLOCKLIST_CRON_TIME=${BLOCKLIST_CRON_TIME}
+      - DOCKER_API_URL=${DOCKER_API_URL} # docker socket proxy
+      - ADGUARD_CONTAINER_NAME=${ADGUARD_CONTAINER_NAME} # adguard container name
     volumes:
       - /path/to/adguard/confdir:/adguard
 

entrypoint.sh

@@ -0,0 +1,105 @@
+#!/bin/sh
+set -e
+
+CYAN="\033[1;36m"
+NC="\033[0m"
+
+log()  { echo "$(date '+%Y-%m-%d %H:%M:%S') $*"; }
+fail() { echo "$(date '+%Y-%m-%d %H:%M:%S') [!] $*" >&2; exit 1; }
+
+print_banner() {
+    version=$(cat VERSION 2>/dev/null || echo "unknown")
+    title="AdGuard CIDRe - Version ${version}"
+    lines="Source: https://git.djeex.fr/Djeex/adguard-cidre
+Mirror: https://github.com/Djeex/adguard-cidre"
+
+    width=${#title}
+    old_ifs=$IFS
+    IFS='
+'
+    for l in $lines; do
+        [ ${#l} -gt "$width" ] && width=${#l}
+    done
+    IFS=$old_ifs
+    width=$((width + 2))
+
+    border=""
+    i=0
+    while [ "$i" -lt "$width" ]; do
+        border="${border}─"
+        i=$((i + 1))
+    done
+    printf "${CYAN}╭%s╮${NC}\n" "$border"
+
+    total_pad=$((width - ${#title}))
+    left=$((total_pad / 2))
+    right=$((total_pad - left))
+    printf "${CYAN}│${NC}%*s%s%*s${CYAN}│${NC}\n" "$left" "" "$title" "$right" ""
+
+    printf "${CYAN}├%s┤${NC}\n" "$border"
+
+    IFS='
+'
+    for l in $lines; do
+        printf "${CYAN}│${NC} %-*s${CYAN}│${NC}\n" "$((width - 1))" "$l"
+    done
+    IFS=$old_ifs
+
+    printf "${CYAN}╰%s╯${NC}\n" "$border"
+}
+
+print_banner
+
+PUID=${PUID:-911}
+PGID=${PGID:-911}
+
+case "$PGID" in
+    ''|*[!0-9]*) fail "PGID '$PGID' is not a valid numeric group id." ;;
+esac
+case "$PUID" in
+    ''|*[!0-9]*) fail "PUID '$PUID' is not a valid numeric user id." ;;
+esac
+
+[ -d /adguard ] || fail "/adguard is not mounted — check the volume mapping in docker-compose.yml."
+
+log "[i] Requested PUID=$PUID, PGID=$PGID"
+
+log "[~] Checking group for GID $PGID..."
+GROUP_NAME=$(getent group "$PGID" | cut -d: -f1 || true)
+if [ -z "$GROUP_NAME" ]; then
+    log "[→] No existing group with GID $PGID, creating 'appgroup'."
+    addgroup -g "$PGID" appgroup || fail "Failed to create group with GID $PGID (addgroup exited $?)."
+    GROUP_NAME=appgroup
+else
+    log "[i] Reusing existing group '$GROUP_NAME' (GID $PGID)."
+fi
+log "[✓] Group ready: $GROUP_NAME"
+
+log "[~] Checking user for UID $PUID..."
+USER_NAME=$(getent passwd "$PUID" | cut -d: -f1 || true)
+if [ -z "$USER_NAME" ]; then
+    log "[→] No existing user with UID $PUID, creating 'appuser'."
+    adduser -D -u "$PUID" -G "$GROUP_NAME" appuser || fail "Failed to create user with UID $PUID (adduser exited $?)."
+    USER_NAME=appuser
+else
+    log "[i] Reusing existing user '$USER_NAME' (UID $PUID)."
+fi
+log "[✓] User ready: $USER_NAME"
+
+# Grant write access to the shared AdGuard config directory and to the files
+# this script manages, without touching anything else AdGuardHome owns in
+# there (its own db/certs/stats). AdGuardHome itself runs as root, so this is
+# a one-way grant: it keeps full access regardless of what we chown here.
+log "[~] Setting ownership of /adguard to $USER_NAME:$GROUP_NAME..."
+chown "$USER_NAME:$GROUP_NAME" /adguard || fail "chown on /adguard failed — check that the host directory permissions allow it."
+log "[✓] Ownership set on /adguard"
+
+for f in AdGuardHome.yaml AdGuardHome.yaml.first-start.bak AdGuardHome.yaml.last-update.bak AdGuardHome.yaml.tmp; do
+    if [ -e "/adguard/$f" ]; then
+        chown "$USER_NAME:$GROUP_NAME" "/adguard/$f" || fail "chown on /adguard/$f failed."
+        log "[✓] chown OK: /adguard/$f"
+    fi
+done
+
+log "[→] Dropping privileges to $USER_NAME:$GROUP_NAME and starting blocklist_scheduler.py"
+exec su-exec "$USER_NAME:$GROUP_NAME" python3 blocklist_scheduler.py "$@"