Can't reach server inside docker container from host - macos

Question

I am hosting a mysql server and a go http server in docker. I am unable to hit the http server from my host machine. My host machine is a mac.
I have tried using localhost:8080 and ipofserver:8080. I get the ip from the docker inspect. I am able to connect to my mysql server from my host, but i can't hit the server from the host.
Here is my docker ps output.
0.0.0.0:8080->8080/tcp
0.0.0.0:3306->3306/tcp, 33060/tcp
Below are my details:
Docker Desktop version 2.0.0.3.
docker-compose
version: '3.1'
services:
mysql:
image: mysql:latest
restart: always
environment:
MYSQL_ROOT_PASSWORD: password
MYSQL_DATABASE: mydb
volumes:
- mysql:/var/lib/mysql
ports:
- "3306:3306"
networks:
- mynetwork
server:
image: server:latest
networks:
- mynetwork
ports:
- "8080:8080"
volumes:
mysql: ~
networks:
mynetwork:
driver: "bridge"
mysql dockerfile
FROM mysql:8.0.16
COPY ./scripts/mysql/dbgen-v1.sql /docker-entrypoint-initdb.d/
EXPOSE 3306
server dockerfile
FROM golang:1.12.5
WORKDIR a/go/path
COPY . .
ENV GOBIN=/usr/local/bin
RUN go get github.com/go-sql-driver/mysql
RUN go get github.com/iancoleman/strcase
RUN go get github.com/jmoiron/sqlx
RUN go get github.com/spf13/cobra
RUN go get github.com/gorilla/websocket
RUN go get github.com/spf13/viper
RUN go install -v cmd/project/main.go
EXPOSE 8080
CMD ["main"]

Answer 1

(This answer is based on the chat we had in the comments)
In order to expose the web server from inside the container to the host it needs to bind to 0.0.0.0 and not to 127.0.0.1. Using 0.0.0.0 ensures that the web server binds to the bridge interface that can be accessed from the host side.
Relevant Docker docs: https://docs.docker.com/v17.09/engine/userguide/networking/default_network/binding/