build: consolidate debug Dockerfile with multi-stage build

.ide-debug/compose.debug.override.yml

@@ -0,0 +1,12 @@
+## Merge with docker-compose.yml in the root directory.
+
+## Override Docker Cardinal services build target for debugging purposes
+## and add container capabilities (cap_add) and security_opt
+services:
+  cardinal:
+    build:
+      target: runtime-debug
+    cap_add:
+      - SYS_PTRACE
+    security_opt:
+      - "seccomp:unconfined"

cardinal/Dockerfile

@@ -1,12 +1,26 @@
+# Base Builder Stage
 FROM golang:1.21 AS builder
 
-WORKDIR /usr/src/app
+RUN go install github.com/go-delve/delve/cmd/dlv@latest
 
-copy . .
+WORKDIR /usr/src/app
+COPY . .
 
 RUN go build -v -o /usr/local/bin/app
+RUN go build -gcflags="all=-N -l" -v -o /usr/local/bin/app-debug
+
+# Runtime Debug Stage
+FROM ubuntu:22.04 AS runtime-debug
+
+COPY --from=builder /go/bin/dlv /usr/local/bin
+COPY --from=builder /usr/local/bin/app-debug /usr/local/bin/
+
+CMD ["dlv", "--listen=:40000", "--headless=true", "--api-version=2", "--accept-multiclient", "exec", "/usr/local/bin/app-debug"]
+
+
+# Runtime Stage
+FROM ubuntu:22.04 AS runtime
 
-FROM ubuntu:22.04
 COPY --from=builder /usr/local/bin/app /usr/local/bin/
 
 CMD ["app"]

docker-compose.yml

@@ -2,7 +2,9 @@ version: "3"
 services:
   cardinal:
     container_name: cardinal
-    build: ./cardinal
+    build:
+      context: ./cardinal
+      target: runtime
     depends_on:
       - redis
     expose:
@@ -21,13 +23,13 @@ services:
   evm:
     container_name: evm_base_shard
     environment:
-      # DA_AUTH_TOKEN is obtained from celestia client and passed in from world.toml. 
+      # DA_AUTH_TOKEN is obtained from celestia client and passed in from world.toml.
       # See https://docs.celestia.org/developers/node-tutorial#auth-token
-      - DA_AUTH_TOKEN=${DA_AUTH_TOKEN:-} 
+      - DA_AUTH_TOKEN=${DA_AUTH_TOKEN:-}
       - DA_BASE_URL=${DA_BASE_URL:-http://celestia-devnet:26658}
       - DA_NAMESPACE_ID=${DA_NAMESPACE_ID:-67480c4a88c4d12935d4}
       - CHAIN_ID=${CHAIN_ID:-world-engine}
-      # KEY_MNEMONIC is a test mnemonic and should not be used in production. 
+      # KEY_MNEMONIC is a test mnemonic and should not be used in production.
       # This mnemonic can be overwritten by setting the KEY_MNEMONIC environment variable.
       - KEY_MNEMONIC=${KEY_MNEMONIC:-enact adjust liberty squirrel bulk ticket invest tissue antique window thank slam unknown fury script among bread social switch glide wool clog flag enroll}
       - FAUCET_ADDR=${FAUCET_ADDR:-world142fg37yzx04cslgeflezzh83wa4xlmjpms0sg5}
@@ -143,7 +145,7 @@ services:
     ports:
       - "6379:6379"
     restart: always
-  
+
   celestia-devnet:
     container_name: celestia_devnet
     image: ghcr.io/rollkit/local-celestia-devnet:v0.12.1