diff --git a/motoko/cert-var/package-lock.json b/motoko/cert-var/package-lock.json
index 6acc958fe..454819635 100644
--- a/motoko/cert-var/package-lock.json
+++ b/motoko/cert-var/package-lock.json
@@ -8,9 +8,9 @@
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-        "@dfinity/candid": "^1.4.0",
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@@ -40,24 +41,26 @@
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+      "resolved": "https://registry.npmjs.org/@dfinity/principal/-/principal-2.4.0.tgz",
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@@ -490,20 +493,22 @@
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-        "colorette": "^1.2.1",
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@@ -4456,6 +4436,10 @@
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@@ -4463,9 +4447,6 @@
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@@ -4934,16 +4903,16 @@
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-      "integrity": "sha512-/o+BXHmB7ocbHEAs6F2EnG0ogybVVUdkRunTT2glZU9XAaGmhqskrvKwqXuDfNjEO0LZKWdejEEpnq8aM0tOaw==",
+      "version": "7.14.0",
+      "resolved": "https://registry.npmjs.org/envinfo/-/envinfo-7.14.0.tgz",
+      "integrity": "sha512-CO40UI41xDQzhLB1hWyqUKgFhs250pNcGbyGKe1l/e4FSaI/+YE4IMG76GDt0In67WLPACIITC+sOi08x4wIvg==",
       "dev": true
     },
     "es-abstract": {
@@ -8212,12 +8166,6 @@
       "integrity": "sha512-+NYs2QeMWy+GWFOEm9xnn6HCDp0l7QBD7ml8zLUmJ+93Q5NF0NocErnwkTkXVFNiX3/fpC6afS8Dhb/gz7R7eg==",
       "dev": true
     },
-    "v8-compile-cache": {
-      "version": "2.3.0",
-      "resolved": "https://registry.npmjs.org/v8-compile-cache/-/v8-compile-cache-2.3.0.tgz",
-      "integrity": "sha512-l8lCEmLcLYZh4nbunNZvQCJc5pv7+RCwa8q/LdUx8u7lsWvPDKmpodJAJNwkAhJC//dFY48KuIEmjtd4RViDrA==",
-      "dev": true
-    },
     "vary": {
       "version": "1.1.2",
       "resolved": "https://registry.npmjs.org/vary/-/vary-1.1.2.tgz",
@@ -8323,24 +8271,22 @@
       }
     },
     "webpack-cli": {
-      "version": "4.5.0",
-      "resolved": "https://registry.npmjs.org/webpack-cli/-/webpack-cli-4.5.0.tgz",
-      "integrity": "sha512-wXg/ef6Ibstl2f50mnkcHblRPN/P9J4Nlod5Hg9HGFgSeF8rsqDGHJeVe4aR26q9l62TUJi6vmvC2Qz96YJw1Q==",
+      "version": "4.10.0",
+      "resolved": "https://registry.npmjs.org/webpack-cli/-/webpack-cli-4.10.0.tgz",
+      "integrity": "sha512-NLhDfH/h4O6UOy+0LSso42xvYypClINuMNBVVzX4vX98TmTaTUxwRbXdhucbFMd2qLaCTcLq/PdYrvi8onw90w==",
       "dev": true,
       "requires": {
         "@discoveryjs/json-ext": "^0.5.0",
-        "@webpack-cli/configtest": "^1.0.1",
-        "@webpack-cli/info": "^1.2.2",
-        "@webpack-cli/serve": "^1.3.0",
-        "colorette": "^1.2.1",
+        "@webpack-cli/configtest": "^1.2.0",
+        "@webpack-cli/info": "^1.5.0",
+        "@webpack-cli/serve": "^1.7.0",
+        "colorette": "^2.0.14",
         "commander": "^7.0.0",
-        "enquirer": "^2.3.6",
-        "execa": "^5.0.0",
+        "cross-spawn": "^7.0.3",
         "fastest-levenshtein": "^1.0.12",
         "import-local": "^3.0.2",
         "interpret": "^2.2.0",
         "rechoir": "^0.7.0",
-        "v8-compile-cache": "^2.2.0",
         "webpack-merge": "^5.7.3"
       },
       "dependencies": {
@@ -8386,12 +8332,6 @@
             "fast-deep-equal": "^3.1.3"
           }
         },
-        "colorette": {
-          "version": "2.0.16",
-          "resolved": "https://registry.npmjs.org/colorette/-/colorette-2.0.16.tgz",
-          "integrity": "sha512-hUewv7oMjCp+wkBv5Rm0v87eJhq4woh5rSR+42YSQJKecCqgIqNkZ6lAlQms/BwHPJA5NKMRlpxPRv0n8HQW6g==",
-          "dev": true
-        },
         "json-schema-traverse": {
           "version": "1.0.0",
           "resolved": "https://registry.npmjs.org/json-schema-traverse/-/json-schema-traverse-1.0.0.tgz",
@@ -8471,12 +8411,6 @@
             "fast-deep-equal": "^3.1.3"
           }
         },
-        "colorette": {
-          "version": "2.0.16",
-          "resolved": "https://registry.npmjs.org/colorette/-/colorette-2.0.16.tgz",
-          "integrity": "sha512-hUewv7oMjCp+wkBv5Rm0v87eJhq4woh5rSR+42YSQJKecCqgIqNkZ6lAlQms/BwHPJA5NKMRlpxPRv0n8HQW6g==",
-          "dev": true
-        },
         "ipaddr.js": {
           "version": "2.0.1",
           "resolved": "https://registry.npmjs.org/ipaddr.js/-/ipaddr.js-2.0.1.tgz",
diff --git a/motoko/cert-var/package.json b/motoko/cert-var/package.json
index 729dd0054..eaad47d02 100644
--- a/motoko/cert-var/package.json
+++ b/motoko/cert-var/package.json
@@ -30,7 +30,7 @@
     "terser-webpack-plugin": "5.1.1",
     "util": "0.12.3",
     "webpack": "5.76.0",
-    "webpack-cli": "4.5.0",
+    "webpack-cli": "^4.10.0",
     "webpack-dev-server": "^4.7.3"
   },
   "browserslist": [
diff --git a/motoko/cert-var/src/cert_var_assets/src/index.js b/motoko/cert-var/src/cert_var_assets/src/index.js
index aed5e98db..d4eb4a802 100644
--- a/motoko/cert-var/src/cert_var_assets/src/index.js
+++ b/motoko/cert-var/src/cert_var_assets/src/index.js
@@ -2,7 +2,7 @@ import { HttpAgent } from '@dfinity/agent';
 import { Certificate } from '@dfinity/agent';
 import { IDL, PipeArrayBuffer, lebDecode } from '@dfinity/candid';
 import { Principal } from '@dfinity/principal'
-import { cert_var, canisterId } from '../../declarations'
+import { cert_var, canisterId } from '../../declarations/cert_var'
 
 const agent = new HttpAgent({});
 if (process.env.NODE_ENV !== "production") {
diff --git a/motoko/cert-var/src/declarations/cert_var.did b/motoko/cert-var/src/declarations/cert_var.did
deleted file mode 100644
index 15c7972d7..000000000
--- a/motoko/cert-var/src/declarations/cert_var.did
+++ /dev/null
@@ -1,8 +0,0 @@
-service : {
-  get: () -> (record {
-                certificate: opt blob;
-                value: nat32;
-              }) query;
-  inc: () -> (nat32);
-  set: (nat32) -> ();
-}
diff --git a/motoko/cert-var/src/declarations/cert_var/cert_var.did b/motoko/cert-var/src/declarations/cert_var/cert_var.did
new file mode 100644
index 000000000..68e8e7981
--- /dev/null
+++ b/motoko/cert-var/src/declarations/cert_var/cert_var.did
@@ -0,0 +1,15 @@
+/// Simple counter (see `Counter.mo`), but uses `mo:base/CertifiedData` to
+/// implement the counter value as a certified variable.
+service : {
+  /// Returns the current counter value,
+  /// and, if available, an unforgeable certificate (from the system) about its authenticity.
+  /// When called via update call or inter-canister call, no certificate is present (and not needed,
+  /// as in these cases the system already certifies the response)
+  get: () -> (record {
+                certificate: opt blob;
+                value: nat32;
+              }) query;
+  /// Update counter and certificate (via system).
+  inc: () -> (nat32);
+  set: (nat32) -> ();
+}
diff --git a/motoko/cert-var/src/declarations/cert_var.did.d.ts b/motoko/cert-var/src/declarations/cert_var/cert_var.did.d.ts
similarity index 51%
rename from motoko/cert-var/src/declarations/cert_var.did.d.ts
rename to motoko/cert-var/src/declarations/cert_var/cert_var.did.d.ts
index 4982908b8..8ae64855c 100644
--- a/motoko/cert-var/src/declarations/cert_var.did.d.ts
+++ b/motoko/cert-var/src/declarations/cert_var/cert_var.did.d.ts
@@ -1,11 +1,14 @@
 import type { Principal } from '@dfinity/principal';
 import type { ActorMethod } from '@dfinity/agent';
+import type { IDL } from '@dfinity/candid';
 
 export interface _SERVICE {
   'get' : ActorMethod<
     [],
-    { 'certificate' : [] | [Uint8Array], 'value' : number }
+    { 'certificate' : [] | [Uint8Array | number[]], 'value' : number }
   >,
   'inc' : ActorMethod<[], number>,
   'set' : ActorMethod<[number], undefined>,
 }
+export declare const idlFactory: IDL.InterfaceFactory;
+export declare const init: (args: { IDL: typeof IDL }) => IDL.Type[];
diff --git a/motoko/cert-var/src/declarations/cert_var.did.js b/motoko/cert-var/src/declarations/cert_var/cert_var.did.js
similarity index 100%
rename from motoko/cert-var/src/declarations/cert_var.did.js
rename to motoko/cert-var/src/declarations/cert_var/cert_var.did.js
diff --git a/motoko/cert-var/src/declarations/cert_var/index.d.ts b/motoko/cert-var/src/declarations/cert_var/index.d.ts
new file mode 100644
index 000000000..540f01d7e
--- /dev/null
+++ b/motoko/cert-var/src/declarations/cert_var/index.d.ts
@@ -0,0 +1,50 @@
+import type {
+  ActorSubclass,
+  HttpAgentOptions,
+  ActorConfig,
+  Agent,
+} from "@dfinity/agent";
+import type { Principal } from "@dfinity/principal";
+import type { IDL } from "@dfinity/candid";
+
+import { _SERVICE } from './cert_var.did';
+
+export declare const idlFactory: IDL.InterfaceFactory;
+export declare const canisterId: string;
+
+export declare interface CreateActorOptions {
+  /**
+   * @see {@link Agent}
+   */
+  agent?: Agent;
+  /**
+   * @see {@link HttpAgentOptions}
+   */
+  agentOptions?: HttpAgentOptions;
+  /**
+   * @see {@link ActorConfig}
+   */
+  actorOptions?: ActorConfig;
+}
+
+/**
+ * Intializes an {@link ActorSubclass}, configured with the provided SERVICE interface of a canister.
+ * @constructs {@link ActorSubClass}
+ * @param {string | Principal} canisterId - ID of the canister the {@link Actor} will talk to
+ * @param {CreateActorOptions} options - see {@link CreateActorOptions}
+ * @param {CreateActorOptions["agent"]} options.agent - a pre-configured agent you'd like to use. Supercedes agentOptions
+ * @param {CreateActorOptions["agentOptions"]} options.agentOptions - options to set up a new agent
+ * @see {@link HttpAgentOptions}
+ * @param {CreateActorOptions["actorOptions"]} options.actorOptions - options for the Actor
+ * @see {@link ActorConfig}
+ */
+export declare const createActor: (
+  canisterId: string | Principal,
+  options?: CreateActorOptions
+) => ActorSubclass<_SERVICE>;
+
+/**
+ * Intialized Actor using default settings, ready to talk to a canister using its candid interface
+ * @constructs {@link ActorSubClass}
+ */
+export declare const cert_var: ActorSubclass<_SERVICE>;
diff --git a/motoko/cert-var/src/declarations/cert_var/index.js b/motoko/cert-var/src/declarations/cert_var/index.js
new file mode 100644
index 000000000..500b988bc
--- /dev/null
+++ b/motoko/cert-var/src/declarations/cert_var/index.js
@@ -0,0 +1,42 @@
+import { Actor, HttpAgent } from "@dfinity/agent";
+
+// Imports and re-exports candid interface
+import { idlFactory } from "./cert_var.did.js";
+export { idlFactory } from "./cert_var.did.js";
+
+/* CANISTER_ID is replaced by webpack based on node environment
+ * Note: canister environment variable will be standardized as
+ * process.env.CANISTER_ID_<CANISTER_NAME_UPPERCASE>
+ * beginning in dfx 0.15.0
+ */
+export const canisterId =
+  process.env.CANISTER_ID_CERT_VAR;
+
+export const createActor = (canisterId, options = {}) => {
+  const agent = options.agent || new HttpAgent({ ...options.agentOptions });
+
+  if (options.agent && options.agentOptions) {
+    console.warn(
+      "Detected both agent and agentOptions passed to createActor. Ignoring agentOptions and proceeding with the provided agent."
+    );
+  }
+
+  // Fetch root key for certificate validation during development
+  if (process.env.DFX_NETWORK !== "ic") {
+    agent.fetchRootKey().catch((err) => {
+      console.warn(
+        "Unable to fetch root key. Check to ensure that your local replica is running"
+      );
+      console.error(err);
+    });
+  }
+
+  // Creates an actor with using the candid interface and the HttpAgent
+  return Actor.createActor(idlFactory, {
+    agent,
+    canisterId,
+    ...options.actorOptions,
+  });
+};
+
+export const cert_var = canisterId ? createActor(canisterId) : undefined;
diff --git a/motoko/cert-var/src/declarations/index.js b/motoko/cert-var/src/declarations/index.js
deleted file mode 100644
index bc3b345e9..000000000
--- a/motoko/cert-var/src/declarations/index.js
+++ /dev/null
@@ -1,42 +0,0 @@
-import { Actor, HttpAgent } from "@dfinity/agent";
-
-// Imports and re-exports candid interface
-import { idlFactory } from './cert_var.did.js';
-export { idlFactory } from './cert_var.did.js';
-// CANISTER_ID is replaced by webpack based on node environment
-export const canisterId = process.env.CERT_VAR_CANISTER_ID;
-
-/**
- * @deprecated since dfx 0.11.1
- * Do not import from `.dfx`, instead switch to using `dfx generate` to generate your JS interface.
- * @param {string | import("@dfinity/principal").Principal} canisterId Canister ID of Agent
- * @param {{agentOptions?: import("@dfinity/agent").HttpAgentOptions; actorOptions?: import("@dfinity/agent").ActorConfig} | { agent?: import("@dfinity/agent").Agent; actorOptions?: import("@dfinity/agent").ActorConfig }} [options]
- * @return {import("@dfinity/agent").ActorSubclass<import("./cert_var.did.js")._SERVICE>}
- */
-export const createActor = (canisterId, options = {}) => {
-  console.warn(`Deprecation warning: you are currently importing code from .dfx. Going forward, refactor to use the dfx generate command for JavaScript bindings.
-
-See https://internetcomputer.org/docs/current/developer-docs/updates/release-notes/ for migration instructions`);
-  const agent = options.agent || new HttpAgent({ ...options.agentOptions });
-  
-  // Fetch root key for certificate validation during development
-  if (process.env.DFX_NETWORK !== "ic") {
-    agent.fetchRootKey().catch(err => {
-      console.warn("Unable to fetch root key. Check to ensure that your local replica is running");
-      console.error(err);
-    });
-  }
-
-  // Creates an actor with using the candid interface and the HttpAgent
-  return Actor.createActor(idlFactory, {
-    agent,
-    canisterId,
-    ...(options ? options.actorOptions : {}),
-  });
-};
-  
-/**
- * A ready-to-use agent for the cert_var canister
- * @type {import("@dfinity/agent").ActorSubclass<import("./cert_var.did.js")._SERVICE>}
- */
-export const cert_var = createActor(canisterId);
diff --git a/motoko/cert-var/webpack.config.js b/motoko/cert-var/webpack.config.js
index 81fd58163..b53933619 100644
--- a/motoko/cert-var/webpack.config.js
+++ b/motoko/cert-var/webpack.config.js
@@ -25,7 +25,7 @@ function initCanisterIds() {
   canisters = network === "local" ? localCanisters : prodCanisters;
 
   for (const canister in canisters) {
-    process.env[canister.toUpperCase() + "_CANISTER_ID"] =
+    process.env["CANISTER_ID_" + canister.toUpperCase()] =
       canisters[canister][network];
   }
 }
@@ -85,18 +85,18 @@ module.exports = {
     }),
     new webpack.EnvironmentPlugin({
       NODE_ENV: 'development',
-      CERT_VAR_CANISTER_ID: canisters["cert_var"]
+      ...process.env
     }),
     new webpack.ProvidePlugin({
       Buffer: [require.resolve("buffer/"), "Buffer"],
       process: require.resolve("process/browser"),
     }),
   ],
-  // proxy /api to port 8000 during development
+  // proxy /api to the local replica during development
   devServer: {
     proxy: {
       "/api": {
-        target: "http://localhost:8000",
+        target: "http://localhost:4943",
         changeOrigin: true,
         pathRewrite: {
           "^/api": "/api",
@@ -104,7 +104,10 @@ module.exports = {
       },
     },
     hot: true,
-    contentBase: path.resolve(__dirname, "./src/cert_var_assets"),
-    watchContentBase: true
+    static: [
+      path.resolve(__dirname, "./src/cert_var_assets/assets"),
+      path.join(__dirname, "dist", "cert_var_assets")
+    ],
+    liveReload: true
   },
 };