core: add ulimits configuration for Docker Swarm deployments

Users deploying to Docker Swarm can now configure resource ulimits
(nofile, nproc, etc.) to prevent applications from hitting system
limits that cause crashes or degraded performance.

packages/server/src/utils/builders/index.ts

@@ -110,6 +110,7 @@ export const mechanizeDockerContainer = async (
 		Networks,
 		StopGracePeriod,
 		EndpointSpec,
+		Ulimits,
 	} = generateConfigContainer(application);
 
 	const bindsMount = generateBindMounts(mounts);
@@ -142,7 +143,7 @@ export const mechanizeDockerContainer = async (
 					args.length > 0 && {
 						Args: args,
 					}),
-
+				...(Ulimits && { Ulimits }),
 				Labels,
 			},
 			Networks,

packages/server/src/utils/databases/mariadb.ts

@@ -48,6 +48,7 @@ export const buildMariadb = async (mariadb: MariadbNested) => {
 		Networks,
 		StopGracePeriod,
 		EndpointSpec,
+		Ulimits,
 	} = generateConfigContainer(mariadb);
 	const resources = calculateResources({
 		memoryLimit,
@@ -83,7 +84,7 @@ export const buildMariadb = async (mariadb: MariadbNested) => {
 					args.length > 0 && {
 						Args: args,
 					}),
-
+				...(Ulimits && { Ulimits }),
 				Labels,
 			},
 			Networks,

packages/server/src/utils/databases/mongo.ts

@@ -94,6 +94,7 @@ ${command ?? "wait $MONGOD_PID"}`;
 		Networks,
 		StopGracePeriod,
 		EndpointSpec,
+		Ulimits,
 	} = generateConfigContainer(mongo);
 
 	const resources = calculateResources({
@@ -139,7 +140,7 @@ ${command ?? "wait $MONGOD_PID"}`;
 					!replicaSets && {
 						Args: args,
 					}),
-
+				...(Ulimits && { Ulimits }),
 				Labels,
 			},
 			Networks,

packages/server/src/utils/databases/mysql.ts

@@ -54,6 +54,7 @@ export const buildMysql = async (mysql: MysqlNested) => {
 		Networks,
 		StopGracePeriod,
 		EndpointSpec,
+		Ulimits,
 	} = generateConfigContainer(mysql);
 	const resources = calculateResources({
 		memoryLimit,
@@ -89,7 +90,7 @@ export const buildMysql = async (mysql: MysqlNested) => {
 					args.length > 0 && {
 						Args: args,
 					}),
-
+				...(Ulimits && { Ulimits }),
 				Labels,
 			},
 			Networks,

packages/server/src/utils/databases/postgres.ts

@@ -47,6 +47,7 @@ export const buildPostgres = async (postgres: PostgresNested) => {
 		Networks,
 		StopGracePeriod,
 		EndpointSpec,
+		Ulimits,
 	} = generateConfigContainer(postgres);
 	const resources = calculateResources({
 		memoryLimit,
@@ -82,7 +83,7 @@ export const buildPostgres = async (postgres: PostgresNested) => {
 					args.length > 0 && {
 						Args: args,
 					}),
-
+				...(Ulimits && { Ulimits }),
 				Labels,
 			},
 			Networks,

packages/server/src/utils/databases/redis.ts

@@ -45,6 +45,7 @@ export const buildRedis = async (redis: RedisNested) => {
 		Networks,
 		StopGracePeriod,
 		EndpointSpec,
+		Ulimits,
 	} = generateConfigContainer(redis);
 	const resources = calculateResources({
 		memoryLimit,
@@ -87,6 +88,7 @@ export const buildRedis = async (redis: RedisNested) => {
 							Command: ["/bin/sh"],
 							Args: ["-c", `redis-server --requirepass ${databasePassword}`],
 						}),
+				...(Ulimits && { Ulimits }),
 				Labels,
 			},
 			Networks,

packages/server/src/utils/docker/utils.ts

@@ -508,6 +508,7 @@ export const generateConfigContainer = (
 		networkSwarm,
 		stopGracePeriodSwarm,
 		endpointSpecSwarm,
+		ulimitsSwarm,
 	} = application;
 
 	const sanitizedStopGracePeriodSwarm =
@@ -584,6 +585,10 @@ export const generateConfigContainer = (
 					})) || [],
 			},
 		}),
+		...(ulimitsSwarm &&
+			ulimitsSwarm.length > 0 && {
+				Ulimits: ulimitsSwarm,
+			}),
 	};
 };