Change health_check and stop_grace_period schema from int32 to float64

Docker API expects nanosecond durations (int64). JTD has no int64 type,
so float64 is used instead. int32 overflows at ~2.1s which is too small
for any practical health check interval.

Author: firecow

schema.json

@@ -75,7 +75,7 @@
             ]
           },
           "stop_grace_period": {
-            "type": "int32"
+            "type": "float64"
           },
           "user": {
             "type": "string"
@@ -140,19 +140,19 @@
                 }
               },
               "interval": {
-                "type": "int32"
+                "type": "float64"
               },
               "timeout": {
-                "type": "int32"
+                "type": "float64"
               },
               "retries": {
                 "type": "int32"
               },
               "start_period": {
-                "type": "int32"
+                "type": "float64"
               },
               "start_interval": {
-                "type": "int32"
+                "type": "float64"
               }
             }
           },

src/swarm-app-config.ts

@@ -104,7 +104,7 @@ export const swarmAppConfigSchema: JTDSchemaType<SwarmAppConfig> = {
                     },
                     replicas: {type: "int32"},
                     stop_signal: {enum: ["SIGTERM", "SIGQUIT"]},
-                    stop_grace_period: {type: "int32"},
+                    stop_grace_period: {type: "float64"},
                     user: {type: "string"},
                     placement: {
                         optionalProperties: {
@@ -138,11 +138,11 @@ export const swarmAppConfigSchema: JTDSchemaType<SwarmAppConfig> = {
                     health_check: {
                         optionalProperties: {
                             test: {elements: {type: "string"}},
-                            interval: {type: "int32"},
-                            timeout: {type: "int32"},
+                            interval: {type: "float64"},
+                            timeout: {type: "float64"},
                             retries: {type: "int32"},
-                            start_period: {type: "int32"},
-                            start_interval: {type: "int32"},
+                            start_period: {type: "float64"},
+                            start_interval: {type: "float64"},
                         },
                     },
                     dir: {type: "string"},