Optimize Dockerfile

Dockerfile

@@ -2,19 +2,26 @@
 FROM golang:1.21 AS build
 
 # INSTALL DEPENDENCIES
+WORKDIR /src
 RUN go install github.com/gobuffalo/packr/v2/packr2@v2.8.3
-COPY go.mod go.sum /src/
-RUN cd /src && go mod download
+COPY go.mod go.sum ./
+RUN go mod download
 
 # BUILD BINARY
-COPY . /src
-RUN cd /src/db && packr2
-RUN cd /src && make build
+COPY . .
+RUN packr2 && make build
 
 # CONTAINER FOR RUNNING BINARY
 FROM alpine:3.18
+
+# INSTALL REQUIRED PACKAGES
+RUN apk add --no-cache postgresql15-client
+
+# COPY BUILT BINARY AND CONFIG FILE
 COPY --from=build /src/dist/zkevm-node /app/zkevm-node
 COPY --from=build /src/config/environments/testnet/node.config.toml /app/example.config.toml
-RUN apk update && apk add postgresql15-client
+
+# SET EXECUTION ENVIRONMENT
+WORKDIR /app
 EXPOSE 8123
-CMD ["/bin/sh", "-c", "/app/zkevm-node run"]
+CMD ["./zkevm-node", "run"]