fewohbee-dockerized/update-docker.sh at master · developeregrem/fewohbee-dockerized · GitHub

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#!/bin/bash

cd "$(dirname "$0")"

dockerBin=$(/usr/bin/which docker)
cronMode=false

if [ "$1" == "--cron" ]; then
    cronMode=true
fi

# Pull latest changes to docker-compose.yml and configuration files (manual only)
if [ "$cronMode" = false ]; then
    git pull
fi

# Pull new images
$dockerBin compose pull

# Start containers. The php entrypoint will clone/update fewohbee via git.
$dockerBin compose stop
$dockerBin compose up --force-recreate -d

if [ "$cronMode" = false ]; then
    # Wait for fewohbee to finish setup (git clone/pull + composer + migrations)
    echo "Waiting for fewohbee to finish setup ..."
    until [ "$($dockerBin compose exec -T php /bin/sh -c 'cat /firstrun' 2>/dev/null)" == "1" ]; do
        echo "  still waiting ..."
        sleep 10
    done

    # Sync new environment variables from the now-running container into .env (manual only)
    echo "Checking for new environment variables ..."
    containerEnvDist=$($dockerBin compose exec --user www-data -T php /bin/sh -c "cat fewohbee/.env.dist" 2>/dev/null)

    if [ $? -ne 0 ] || [ -z "$containerEnvDist" ]; then
        echo "Warning: Could not read .env.dist from container. Skipping env sync."
    else
        addedVars=0
        commentBuffer=""

        while IFS= read -r line; do
            # Accumulate comments and empty lines to carry them along with their variable
            if [[ "$line" =~ ^[[:space:]]*# ]] || [[ -z "${line// }" ]]; then
                [ -n "$commentBuffer" ] && commentBuffer+=$'\n'
                commentBuffer+="$line"
                continue
            fi

            # Extract variable name (everything before the first =)
            varName="${line%%=*}"
            if [[ -z "$varName" ]]; then
                commentBuffer=""
                continue
            fi

            # DB_SERVER_VERSION is hardcoded in docker-compose.yml, skip it
            if [[ "$varName" == "DB_SERVER_VERSION" ]]; then
                commentBuffer=""
                continue
            fi

            # Add if not already present in .env
            if ! grep -q "^${varName}=" .env; then
                if [ $addedVars -eq 0 ]; then
                    printf "\n# Variables added by update-docker.sh on %s\n" "$(date '+%Y-%m-%d')" >> .env
                fi
                # Write accumulated comments first, then the variable
                if [ -n "$commentBuffer" ]; then
                    printf "\n%s\n" "$commentBuffer" >> .env
                fi
                printf "%s\n" "$line" >> .env

                # Also add the variable to the environment: sections in both compose files
                # (inserted before the # new-vars-marker comment, which appears in php and cron services)
                for composeFile in docker-compose.yml docker-compose.no-ssl.yml; do
                    if [ -f "$composeFile" ] && grep -q "# new-vars-marker" "$composeFile" \
                        && ! grep -q -- "- ${varName}=" "$composeFile"; then
                        tmpfile=$(mktemp)
                        awk -v varline="            - ${varName}=\${${varName}}" \
                            '/# new-vars-marker/ { print varline } { print }' \
                            "$composeFile" > "$tmpfile" && mv "$tmpfile" "$composeFile"
                    fi
                done

                echo "  Added: $varName"
                addedVars=$((addedVars + 1))
            fi

            # Reset comment buffer after each variable (whether added or already present)
            commentBuffer=""
        done <<< "$containerEnvDist"

        if [ $addedVars -gt 0 ]; then
            echo "$addedVars new variable(s) added to .env and docker-compose.yml / docker-compose.no-ssl.yml."
            echo "Please review the new variables in .env and adjust values if needed."
            echo "Restarting php and cron containers to apply new environment variables ..."
            $dockerBin compose up --force-recreate -d php cron
        else
            echo "No new environment variables found."
        fi
    fi
fi

docker image prune -f