I have a simple postgres running in docker. Everything works ok. I also can access it via:
docker exec -it db bash and there using psql.
But both pg_isready and pgAdmin fail to access it via localhost at port 5432
version: "3"
services:
db:
image: postgres
environment:
POSTGRES_PASSWORD: ${POSTGRES_PASSWORD}
POSTGRES_USER: ${POSTGRES_USER}
POSTGRES_DB: ${POSTGRES_DB}
ports:
- "5432:5432"
volumes:
- db-data:/var/lib/postgresql/data
networks:
frontend:
aliases:
- db
That's how the container status look like:
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
9295d519be2s postgres "docker-entrypoint.s…" 15 minutes ago Up 15 minutes 0.0.0.0:5432->5432/tcp ebot_db_1
What is wrong?
Related
docker-compose.yml:
services:
db:
image: mdillon/postgis:11
restart: always
ports:
- "5465:5432"
volumes:
- ./data/postgisdb:/var/lib/postgresql/data
environment:
- POSTGRES_USER=user
- POSTGRES_PASSWORD=p#ssword
- POSTGRES_DB=db_test
Then I run docker-compose up -d --build --remove-orphans
docker ps shows:
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
e7d734c1f23c mdillon/postgis:11 "docker-entrypoint.s…" About a minute ago Up About a minute 0.0.0.0:5465->5432/tcp, :::5465->5432/tcp app_db_1
When I try to connect database via pgadmin with parameters
Host name/address: localhost
Port: 5465
Maintence database: db_test
Username: user
Password: p#ssword
I still get error password authentication failed for user "user".
What am I doing wrong?
Inside container env shows:
LANG=en_US.utf8
HOSTNAME=bbc96a3254ed
PG_MAJOR=11
PWD=/
HOME=/root
PG_VERSION=11.2-1.pgdg90+1
GOSU_VERSION=1.11
PGDATA=/var/lib/postgresql/data
POSTGRES_DB=db_test
POSTGIS_MAJOR=2.5
POSTGRES_PASSWORD=p#ssword
POSTGRES_USER=user
SHLVL=1
POSTGIS_VERSION=2.5.2+dfsg-1~exp1.pgdg90+1
...
I was setting up docker compose
version: "3.7"
services:
postgres:
container_name: mydevdb
image: postgres:13
restart: always
environment:
- POSTGRES_USER=${POSTGRES_USER}
- POSTGRES_PASSWORD=${POSTGRES_PASSWORD}
- POSTGRES_DB=${POSTGRES_DB}
volumes:
- postgres:/var/lib/postgresql/data
ports:
- "5432:5432"
volumes:
postgres:
my env file
POSTGRES_USER=username
POSTGRES_PASSWORD=password
POSTGRES_DB=dev
DATABASE_URL=postgresql://${POSTGRES_USER}:${POSTGRES_PASSWORD}#localhost:5432/${POSTGRES_DB}?schema=public
and when I run Prisma Migrate dev it logs:
Error: P1010
User `username` was denied access on the database `dev.public`
but when I changed ports in docker-compose.yml to "5001:5432"
and updated my DATABASE_URL port from 5432 to 5001 it works fine .. I just don't know why that happens in my Mac however my ubuntu machines works well with 5432:5432 port
You probably have another instance of postgres running on your mac.
You can run
sudo lsof -PiTCP -sTCP:LISTEN | grep 5432
to check.
On my rasperry pi 4 I've installed docker and docker-compose and now I'm tring to install and use Postgres and Adminer
following that https://hub.docker.com/_/postgres I've created docker-compose.yaml file as follow:
# Use postgres/example user/password credentials
version: '3.1'
services:
db:
image: postgres
restart: unless-stopped
environment:
POSTGRES_PASSWORD: postgres
POSTGRES_USER: postgres
POSTGRES_DB: postgres
ports:
- 5432:5432
adminer:
image: adminer
restart: unless-stopped
ports:
- 8080:8080
and i run it with
docker-compose -f docker-compose.yaml up -d
after that DB_1 starts and adminer too
but when i try connect to http://192.168.1.38:8080/ i can't reach it
even if i try connect to postgres through pgAdmin it's says
could not connect to server: Connection refused (0x0000274D/10061) Is
the server running on host "192.168.1.38" and accepting TCP/IP
connections on port 5432?
however if i don't use docker-compose but just
docker run --name postgres -d --restart unless-stopped -p 5432:5432 -e POSTGRES_PASSWORD=123456 -v ${PWD}/data:/var/lib/postgresql/data postgres
it's work through pgAdmin
do you know what i'm doing wrong?
UPDATE: seems the problem is with docker-compose because any kind of docker-compose.yml file block connection to it...
with a container with djgango i tried to start server and it's works but when i try reach page it seem bloccked too
when i run docker-compose.yaml file docker-compose ps output is:
sudo netstat -tulpn screenshot
PgAdmin can't reach 5432 ports because you don't expose it.
Like for Adminer you need to expose the Postgres port 5432 on your machine in your compose file.
version: '3.1'
services:
db:
image: postgres
restart: unless-stopped
environment:
POSTGRES_PASSWORD: postgres
POSTGRES_USER: postgres
POSTGRES_DB: postgres
ports:
- 5432:5432
adminer:
image: adminer
restart: unless-stopped
ports:
- 8080:8080
a little late to the party but what you need to do is figure out the IP address of the postgres container, and use that as your host.
I have a samle app I'm using docker-compose to run locally on my machine. The web app is in one container and the db (postgres) in another.
I am having an connection issue that I can't work through.
docker-compose
version: '3.8'
services:
db:
image: postgres
environment:
POSTGRES_PASSWORD: 'password'
POSTGRES_DB: 'postgres'
POSTGRES_USER: 'postgres'
volumes:
- ./postgres-db:/var/lib/postgresql/data
ports:
- '5432:5432'
app:
build:
context: .
dockerfile: app/Dockerfile
restart: always
environment:
APP_FRONTEND_PORT: '8080'
DB_PORT: '5433'
DB_HOST: 'db'
ports:
- '8080:8080'
depends_on:
- 'db'
volumes:
postgres-db:
Dockerfile
FROM golang:latest
WORKDIR /scratch
COPY . .
RUN CGO_ENABLED=0 GOOS=linux go build -o /bin/frontend ./...
FROM alpine:latest
RUN apk --no-cache add ca-certificates
WORKDIR /go/bin/
COPY --from=build /bin/frontend /go/bin/frontend
ENTRYPOINT ["/go/bin/frontend"]
Both containers are running and I'm able to log into the running postgres container and postgres us running.
When I try to run a update from the US I get a 500 error and it does not seem like the app container can communicate with the db container. I'm not sure what I'm missing
client side error when trying to make a call to update date:
encountered err: failed to begin transaction: failed to connect to `host=db user=postgres database=postgres`: dial error (dial tcp 172.29.0.2:5433: connect: connection refused)
docker ps yeilds:
$ docker ps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
19eeed869434 sample_app "/go/bin/frontend" 48 minutes ago Up 48 minutes 0.0.0.0:8080->8080/tcp, :::8080->8080/tcp sample_app_1
84804f00c751 postgres "docker-entrypoint.s…" 48 minutes ago Up 48 minutes 0.0.0.0:5432->5432/tcp, :::5432->5432/tcp sample_app_db_1
$
As per stated in https://docs.docker.com/network/bridge/, you need to put both services into a user-defined bridge network for them to refer to each other by the container names. Here is how to do it inside docker-compose.yml:
Define a custom bridge network:
networks:
some-name:
driver: bridge
Put both services into that network:
services:
db:
image: postgres
environment:
POSTGRES_PASSWORD: 'password'
POSTGRES_DB: 'postgres'
POSTGRES_USER: 'postgres'
volumes:
- ./postgres-db:/var/lib/postgresql/data
ports:
- '5432:5432'
networks:
- some-name
app:
build:
context: .
dockerfile: app/Dockerfile
restart: always
environment:
APP_FRONTEND_PORT: '8080'
DB_PORT: '5433'
DB_HOST: 'db'
ports:
- '8080:8080'
depends_on:
- 'db'
networks:
- some-name
Force specific container names especially the one being referred to by the other, otherwise docker-compose will add prefix and suffix to the service name as the container name like sample_app_db_1:
services:
db:
container_name: db
image: postgres
environment:
POSTGRES_PASSWORD: 'password'
POSTGRES_DB: 'postgres'
POSTGRES_USER: 'postgres'
volumes:
- ./postgres-db:/var/lib/postgresql/data
ports:
- '5432:5432'
networks:
- some-name
Given this docker-compose.yml, am experiencing difficulties connecting the docker stack to my pgAdmin.
version: '3.1'
services:
database:
image: postgres
restart: always
environment:
POSTGRES_USER: db-user
POSTGRES_PASSWORD: db-user
POSTGRES_DB: db
ports:
- 5432:5432
For the pgAdmin Connection properties, here's what I've used (others, default values):
Host: 127.0.0.1
Username & Password: db-user
And for the error message when saving:
Error saving properties: UNAUTHORIZED
Unable to connect to server
The docker postgresql page suggest the stack.yml:
# Use postgres/example user/password credentials
version: '3.1'
services:
db:
image: postgres
restart: always
environment:
POSTGRES_PASSWORD: example
adminer:
image: adminer
restart: always
ports:
- 8080:8080
And then visit http://localhost:8080.
Or:
psql -v ON_ERROR_STOP=1 --username "$POSTGRES_USER" --dbname "$POSTGRES_DB" ...
In your case, adding port to the database itself suggests your queries should use that port.