diff --git a/.devcontainer/Dockerfile.backend b/.devcontainer/Dockerfile.backend
index a68c3801..7f6f6045 100644
--- a/.devcontainer/Dockerfile.backend
+++ b/.devcontainer/Dockerfile.backend
@@ -8,6 +8,5 @@ RUN apt-get update \
     libopencv-dev clang libclang-dev \
     && rm -rf /var/lib/apt/lists/*
 
-# Install Rover CLI for composing and precompiles rust router (gateway) for subgraphs
-RUN curl -sSL https://rover.apollo.dev/nix/latest | sh\
-    && curl -sSL https://router.apollo.dev/download/nix/latest | sh
+# Install Rover CLI for composing subgraphs
+RUN curl -sSL https://rover.apollo.dev/nix/latest | sh
diff --git a/.devcontainer/docker-compose.yaml b/.devcontainer/docker-compose.yaml
index 79a156b1..e517c248 100644
--- a/.devcontainer/docker-compose.yaml
+++ b/.devcontainer/docker-compose.yaml
@@ -1,6 +1,20 @@
 version: "3.8"
 
 services:
+  apollo-router:
+    image: ghcr.io/apollographql/router:v1.41.0-rc.2
+    volumes:
+      - ./supergraph.graphql:/dist/schema/supergraph.graphql
+      - ./router.yaml:/dist/config/router.yaml
+    ports:
+      - 4001:4000
+    command:
+      - --dev
+      - -config
+      - config/router.yaml
+      - -supergraph 
+      - schema/supergraph.graphql
+      
   backend:
     build:
       context: .
@@ -12,6 +26,9 @@ services:
       OPA_URL: http://opa:8181
       DATABASE_URL: postgres://postgres:password@postgres
       RABBITMQ_URL: amqp://rabbitmq:password@rabbitmq
+      CRYSTAL_LIBRARY_PORT: 8000
+      COMPOUND_LIBRARY_PORT: 8001
+      COMPOUND_SOAKING_PORT: 8002
 
   frontend:
     image: docker.io/library/node:20.6.0-bookworm
diff --git a/backend/router.yaml b/.devcontainer/router.yaml
similarity index 58%
rename from backend/router.yaml
rename to .devcontainer/router.yaml
index 59dab80b..9871cccb 100644
--- a/backend/router.yaml
+++ b/.devcontainer/router.yaml
@@ -1,5 +1,7 @@
+supergraph:
+  listen: 0.0.0.0:4000
 headers:
   all: # Header rules for all subgraphs
     request:
       - propagate:
-          matching: .*
\ No newline at end of file
+          matching: .*
diff --git a/.gitignore b/.gitignore
index 25e65aeb..8df3c614 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,8 +4,5 @@
 # Developer Tooling
 .vscode
 
-# Apollo router
-router
-backend/router
 # Generated supergraph schema 
-backend/supergraph.graphql
+.devcontainer/supergraph.graphql
diff --git a/backend/compound_library/src/graphql/compound_instances_res.rs b/backend/compound_library/src/graphql/compound_instances_res.rs
index c8135180..622669ed 100644
--- a/backend/compound_library/src/graphql/compound_instances_res.rs
+++ b/backend/compound_library/src/graphql/compound_instances_res.rs
@@ -60,7 +60,7 @@ impl CompoundInstanceQuery {
 
     /// Reference resolver for compound instance in compound library subgraph
     #[graphql(entity)]
-    async fn get_compound_instance_by_id(
+    async fn route_compound_instance(
         &self,
         ctx: &Context<'_>,
         plate_id: Uuid,
diff --git a/backend/compound_library/src/main.rs b/backend/compound_library/src/main.rs
index 93cd63cb..de8d5322 100644
--- a/backend/compound_library/src/main.rs
+++ b/backend/compound_library/src/main.rs
@@ -43,7 +43,7 @@ enum Cli {
 #[allow(clippy::missing_docs_in_private_items)]
 struct ServeArgs {
     /// The port number to serve on.
-    #[arg(short, long, default_value_t = 80)]
+    #[arg(short, long, default_value_t = 80, env = "COMPOUND_LIBRARY_PORT")]
     port: u16,
     /// URL for the OPA server
     #[arg(long, env)]
diff --git a/backend/compound_soaking/src/graphql/soak_compound_res.rs b/backend/compound_soaking/src/graphql/soak_compound_res.rs
index c3120e19..f9dc2c44 100644
--- a/backend/compound_soaking/src/graphql/soak_compound_res.rs
+++ b/backend/compound_soaking/src/graphql/soak_compound_res.rs
@@ -107,7 +107,7 @@ impl SoakCompoundQuery {
 
     /// Reference resolver for crystal wells
     #[graphql(entity)]
-    async fn get_crystal_well_by_plate_id(&self, plate_id: Uuid, well_number: i16) -> CrystalWells {
+    async fn route_crystal_well(&self, plate_id: Uuid, well_number: i16) -> CrystalWells {
         CrystalWells {
             plate_id,
             well_number,
@@ -116,7 +116,7 @@ impl SoakCompoundQuery {
 
     /// Reference resolver for compound wells
     #[graphql(entity)]
-    async fn get_compound_instances_by_plate_id(
+    async fn route_compound_instances(
         &self,
         plate_id: Uuid,
         well_number: i16,
@@ -131,14 +131,14 @@ impl SoakCompoundQuery {
 #[Object]
 impl SoakCompoundMutation {
     /// Adds a soaked compound to the database
-    async fn add_soaked_compound(
+    async fn soak_compound(
         &self,
         ctx: &Context<'_>,
         compound_plate_id: Uuid,
         #[graphql(validator(minimum = 1, maximum = 288))] compound_well_number: i16,
         crystal_plate_id: Uuid,
         #[graphql(validator(minimum = 1, maximum = 288))] crystal_well_number: i16,
-        volume: f32,
+        volume: u32,
     ) -> async_graphql::Result<soak_compound::Model> {
         let operator_id =
             subject_authorization!("xchemlab.compound_soaking.write_soaked_compound", ctx).await?;
diff --git a/backend/compound_soaking/src/main.rs b/backend/compound_soaking/src/main.rs
index 9a7baa3e..0a3664de 100644
--- a/backend/compound_soaking/src/main.rs
+++ b/backend/compound_soaking/src/main.rs
@@ -41,7 +41,7 @@ enum Cli {
 #[derive(Debug, Parser)]
 #[allow(clippy::missing_docs_in_private_items)]
 struct ServeArgs {
-    #[arg(short, long, default_value_t = 80)]
+    #[arg(short, long, default_value_t = 80, env = "COMPOUND_SOAKING_PORT")]
     port: u16,
     #[arg(long, env)]
     database_url: Url,
diff --git a/backend/compound_soaking/src/tables/soak_compound.rs b/backend/compound_soaking/src/tables/soak_compound.rs
index d752e2d4..a8f9af00 100644
--- a/backend/compound_soaking/src/tables/soak_compound.rs
+++ b/backend/compound_soaking/src/tables/soak_compound.rs
@@ -23,8 +23,8 @@ pub struct Model {
     /// The well on the plate which the crystal is located.
     #[sea_orm(primary_key, auto_increment = false)]
     pub crystal_well_number: i16,
-    /// The volume of compounds soaked.
-    pub volume: f32,
+    /// The volume of compounds transferred into the crystal well.
+    pub volume: u32,
     /// The identifier of the operator which added this entry.
     pub operator_id: String,
     /// The date and time when the compound instance was added.
diff --git a/backend/crystal_library/src/graphql/crystal_wells_res.rs b/backend/crystal_library/src/graphql/crystal_wells_res.rs
index 6b0b3bc4..905ebe97 100644
--- a/backend/crystal_library/src/graphql/crystal_wells_res.rs
+++ b/backend/crystal_library/src/graphql/crystal_wells_res.rs
@@ -62,7 +62,7 @@ impl CrystalWellsQuery {
 
     /// Reference resolver for crystal wells in crystal library graphql subgraph
     #[graphql(entity)]
-    async fn find_crystal_wells_by_id(
+    async fn route_crystal_wells(
         &self,
         ctx: &Context<'_>,
         plate_id: Uuid,
diff --git a/backend/crystal_library/src/main.rs b/backend/crystal_library/src/main.rs
index c656482c..ed11e825 100644
--- a/backend/crystal_library/src/main.rs
+++ b/backend/crystal_library/src/main.rs
@@ -42,7 +42,7 @@ enum Cli {
 #[allow(clippy::missing_docs_in_private_items)]
 struct ServeArgs {
     /// The port number to serve on
-    #[arg(short, long, default_value_t = 80)]
+    #[arg(short, long, default_value_t = 80, env = "CRYSTAL_LIBRARY_PORT")]
     port: u16,
     /// URL for the database
     #[arg(long, env)]
diff --git a/backend/supergraph-config.yaml b/backend/supergraph-config.yaml
index a3b9245c..60728ebc 100644
--- a/backend/supergraph-config.yaml
+++ b/backend/supergraph-config.yaml
@@ -1,14 +1,15 @@
 federation_version: 2
 subgraphs:
   crystal_library:
-    routing_url: http://localhost:80
+    routing_url: http://backend:8000
     schema:
-      subgraph_url: http://localhost:80
+      subgraph_url: http://backend:8000
   compound_library:
-    routing_url: http://localhost:81
+    routing_url: http://backend:8001
     schema:
-      subgraph_url: http://localhost:81
+      subgraph_url: http://backend:8001 
   compound_soaking:
-    routing_url: http://localhost:82
+    routing_url: http://backend:8002
     schema:
-      subgraph_url: http://localhost:82
\ No newline at end of file
+      subgraph_url: http://backend:8002
+    
\ No newline at end of file