103 lines
3.4 KiB
Bash
103 lines
3.4 KiB
Bash
#!/usr/bin/env bash
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# Create the directories this instance will actually write to.
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#
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# Derived from the configuration rather than hard-coded, so an installation that
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# stores its state elsewhere — a bare-metal one under /var/lib, say — does not
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# get an empty /appdata recreated behind its back at every start. The defaults
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# reproduce the image's layout exactly: the Dockerfile sets DB_URL to
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# /appdata/db/db.sqlite and DB_DIALECT to sqlite, and REDIS_IS_EXTERNAL to false.
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mkdir -p "${LOCAL_CERTIFICATE_PATH:-/appdata/trusted-certificates}"
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# Only for SQLite: on any other engine DB_URL is a connection string, and its
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# dirname would be a meaningless path.
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if [ "${DB_DIALECT:-sqlite}" = "sqlite" ]; then
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mkdir -p "$(dirname "${DB_URL:-/appdata/db/db.sqlite}")"
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fi
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# The bundled Redis reads its directory from redis.conf; creating it when an
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# external server is used would leave an empty directory nobody writes to.
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if [ "$REDIS_IS_EXTERNAL" != "true" ]; then
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mkdir -p /appdata/redis
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fi
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# Run migrations
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if [ "$DB_MIGRATIONS_DISABLED" = "true" ]; then
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echo "DB migrations are disabled, skipping"
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else
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echo "Running DB migrations"
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DISABLE_REDIS_LOGS=true node ./db/migrations/$DB_DIALECT/migrate.cjs ./db/migrations/$DB_DIALECT
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if [ $? -ne 0 ]; then
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echo "ERROR: DB migrations failed, aborting startup"
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exit 1
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fi
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fi
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# Auth secret is generated every time the container starts as it is required, but not used because we don't need JWTs or Mail hashing
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export AUTH_SECRET=$(openssl rand -base64 32)
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# Start nginx proxy
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# 1. Create the nginx configuration file from the template
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# 2. Start the nginx server
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# Only listen on IPv6 when the host actually has IPv6 configured (#4596).
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# Otherwise nginx aborts with "socket() [::]:7575 failed (97: Address family
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# not supported by protocol)". Check HOMARR_DISABLE_IPV6 first so users can
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# force IPv4-only even when the host supports IPv6, then probe for IPv6
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# addresses via grep (not -s: proc files always report size 0).
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export NGINX_LISTEN_IPV6=''
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if [ "${HOMARR_DISABLE_IPV6:-false}" != "true" ] && grep -q . /proc/net/if_inet6 2>/dev/null; then
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NGINX_LISTEN_IPV6='listen [::]:7575;'
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fi
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envsubst '${NGINX_LISTEN_IPV6}' < /etc/nginx/templates/nginx.conf > /etc/nginx/nginx.conf
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# Start services in the background and store their PIDs
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nginx -g 'daemon off;' &
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NGINX_PID=$!
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if [ "$REDIS_IS_EXTERNAL" = "true" ]; then
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echo "Using external Redis server at redis://$REDIS_HOST:$REDIS_PORT"
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REDIS_PID=""
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else
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echo "Starting internal Redis server"
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redis-server /app/redis.conf &
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REDIS_PID=$!
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fi
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SHUTTING_DOWN=false
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terminate() {
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SHUTTING_DOWN=true
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echo "Shutting down..."
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kill -TERM $NEXTJS_PID 2>/dev/null
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wait $NEXTJS_PID 2>/dev/null
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kill -TERM $NGINX_PID 2>/dev/null
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wait $NGINX_PID 2>/dev/null
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if [ -n "$REDIS_PID" ]; then
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kill -TERM $REDIS_PID 2>/dev/null
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wait $REDIS_PID 2>/dev/null
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fi
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echo "Shutdown complete."
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exit 0
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}
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trap terminate TERM INT
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# Next.js standalone uses HOSTNAME as its bind address. Docker's generated
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# hostname can be unresolvable, so bind explicitly while nginx uses loopback.
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export HOSTNAME=0.0.0.0
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node apps/nextjs/server.js &
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NEXTJS_PID=$!
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while true; do
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wait $NEXTJS_PID
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EXIT_CODE=$?
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if [ "$SHUTTING_DOWN" = true ]; then
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break
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fi
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echo "Next.js exited with code $EXIT_CODE, restarting in 1s..."
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sleep 1
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node apps/nextjs/server.js &
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NEXTJS_PID=$!
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done
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